In the season four premiere, gang from Beverly Hills have graduated from high school. Naomi has spent the summer dealing with the shocking news of her pregnancy and quickly discovers she doesn’t have the status at college that she did in high school. Annie receives some unexpected news that keeps her in town, while Liam returns from his summer away ready to commit to Annie. Dixon finds himself without a roommate or a place to live, while an unexpected visitor tests Navid and Silver’s relationship after they move in together. Adrianna comes back to town looking for redemption, which she soon learns will be hard to earn back. Ivy and Raj struggle to deal with Raj’s health getting worse, while Teddy struggles with coming out to his family.

In an effort to re-gain her status, Naomi rushes a popular sorority, where she, along with Annie go through sorority games. Annie finds out a shocking secret about new guy Jeremy that could affect her future. Liam decides to keep the bar he bought on a whim and has a surprise guest from Alaska come into town, while Dixon finds an unlikely roommate in country boy Austin, which could lead to trouble. The search for Navid's sister Leila forces Navid and Silver to enlist in Adrianna for help, much to the dismay of Silver.

After making an enemy in sorority president Holly, Naomi finds unusual allies who help her get revenge. Annie, short on money for sorority dues, must figure out a quick way to come up with the cash. Liam and Jane get closer, while Adrianna reveals a secret that causes Liam to look at her in a different light. Ivy becomes increasingly frustrated with her friends and lashes out at their lack of compassion, while Navid must deal with his uncle coming into town and trying to undermine Shirazi Studios.

Navid surprises Dixon with some studio time to apologize for messing things up with a music producer, where Dixon feels the pressure to create a hit song. Naomi plots revenge to take down rival Holly and her sorority during the Greek games, which requires Austin's help, much to Naomi's dismay. Silver directs a disastrous commercial for Liam's bar, while Ivy feels torn between her relationship and her friends.

Silver is asked to make campaign videos for political candidate Marissa Harris-Young who is running against Teddy’s Uncle Charles for public office. Teddy runs into an old flame and Annie gets stuck with Leila during an important date. A surprise visitor threatens to tear Liam and Jane apart, while Naomi can't shake her growing feelings for Austin during a party to encourage students to vote.

Liam gets offered a modeling job after an agent sees the commercial for his bar, while Annie finds herself starting to fall for an unlikely guy. During a charity talent show event to raise money for an experimental cancer treatment for Raj, Naomi is determined to win the contest in order to show up Austin's out-of-town visitor Sally. While working on his music, Dixon pushes his limits and starts spiraling out of control, which forces Adrianna to confront him.

Naomi has to work with her arch-nemesis Holly to throw a campus costume party, leading to unfortunate consequences. Navid's plan to bring down his Uncle Amal is threatened, while Silver discovers that political candidate Marissa Harris-Young is not who she seems. Meanwhile, Adrianna handcuffs herself to Dixon in an attempt to get him to stay sober and Annie must decide if she wants to give Patrick another chance.

The gang heads to Las Vegas, where Naomi meets Austin's dad, country superstar Judd Ridge. The guys run into a celebrity at the pool, where Liam gets invited to play in a celebrity poker tournament. Teddy and Shane decide to tie the knot, while Dixon and Adrianna get closer. Meanwhile, Navid sees an opportunity to take his Uncle Amal down.

Silver’s video of Teddy's Vegas wedding is leaked to the press, and has damaging effects on his uncle’s campaign. Liam’s modeling career is taken to the next level by Shelia and Annie is determined to help Dixon, even though the help he needs comes at a high price. Meanwhile, Ivy and Raj decide to plan for the future.

Dixon tries to pursue a relationship with a resistant Adrianna, while Ivy and Raj’s arguing takes a toll on their relationship. Liam plans a holiday dinner for the gang, and an unexpected guest shows up. Meanwhile, Naomi goes to extremes to prove her love to Austin.

Dixon struggles with temptation as he tries to make his way back into the music world, while Annie confronts Jeremy, who stands in the way of her inheritance. Naomi and Holly embarrass themselves in front of Janice Dickinson at a fashion show, while Navid reaches a breaking point with his uncle. Meanwhile, Teddy makes a big decision that upsets Silver.

Naomi is asked by her new party planner boss Rachel to oversee her arch-nemesis Holly’s birthday party, while Annie breaks into Jeremy’s apartment in a desperate attempt to get the proof she needs to keep her inheritance. Navid finds trouble after going with his Uncle Amal to make a deal with a potential buyer, and Liam discovers shocking news about Annie.

Naomi embarrasses herself in front of her boss Rachel in an attempt to get over her break-up with Austin. Dixon and Adrianna are booked to perform at a club, where they realize that working together might be a bad idea. Meanwhile, Silver takes her relationship with Greg to the next level and a party Annie throws ends up being a disaster because she is too distracted by Liam's new relationship.

Naomi is determined to fix the relationship between her boss Rachel and her daughter Holly, which forces Holly and Naomi to work together. Greg asks Silver to move to New York with him and Navid finds out some shocking information about Greg’s daughter. Annie discovers Liam’s girlfriend Vanessa might have been involved with his motorcycle accident.

Annie has to make a decision that could expose her work as an escort when Dixon gets arrested in connection with a fire at a sorority house. Adrianna and Silver attempt to put their past behind them, which results in disaster for Silver's relationship with Greg. Vanessa helps throw a party to re-launch Liam's bar, where the All-American Rejects perform.

In an effort to put her inheritance to good use, Annie volunteers to organize a big charity fundraiser. When Naomi takes drastic measures to land her first event-planning client, her big plan back-fires. Meanwhile, Silver realizes she still has feelings for Navid, and Vanessa vows to make Liam a huge star after his agent drops him.

Naomi’s sister Jen arrives with her son for a surprise visit. Adrianna and Dixon land a meeting with a major movie producer to discuss music on his next film, but are sabotaged by Vanessa. Meanwhile, Silver gets accepted into New York University and Ivy attracts attention in the underground scene when she switches to a less conventional style of art..

Naomi is convinced that Annie’s new business partner P.J. is the perfect man for her, but discovers her sister Jen is also interested in him.. Adrianna and Dixon land a spot in a music festival, where Train performs and a record executive offers Dixon a recording contract. Adrianna tells Liam her suspicions that Vanessa staged the near drowning incident.

Dixon collapses while arguing in the recording studio with Adrianna. In the hospital, they run into Liam who is with Silver to support her during a test to detect if she has the breast cancer gene. Ivy finds out Raj still has cancer and is in the hospital, while Annie meets a new guy Caleb and discovers he is a priest.

PJ proposes to Naomi and Annie discovers he needs to get married in order to get the rest of his trust fund. Dixon confesses to Navid that he signed a record contract but admits he did not tell Adrianna because the label didn’t want to sign her. Dixon also accepts a gig to play back up for Haley Reinhart, but doesn’t tell Adrianna. Liam asks Vanessa to move out and discovers she has emptied their joint bank account.

Naomi’s friends worry that she is rushing to get married, so Naomi and P.J. decide to throw a small party so everyone can get to know him. Austin returns to Los Angeles and offers to be Adrianna’s new manager, suggesting she give country music a try. Caleb is concerned Ivy might not be emotionally stable, while Annie finally admits to Caleb that she is falling for him. Meanwhile, Silver feels conflicted about her feelings for Navid who is back in town.

Navid suspects that Liam and Silver hooked up so he decides to confront Liam on the red carpet of a movie premiere. Annie and Caleb fight their attraction to one another but finally give into temptation. Meanwhile, Naomi has been hired to plan the wedding of an heiress and discovers she knows the groom a little too well, and Austin enlists his dad, Judd Ridge to be help launch Adrianna’s country career.

A reluctant Naomi tries to sabotage the bachelorette party she has to host for Max’s fiancée Madison, where Madison’s childhood crush, Nick Carter, makes a surprise appearance. At Max’s bachelor party, Liam and Navid get into a fight over Silver and the evening comes to an end with people at both parties getting hauled to jail. Meanwhile, Ivy blames Annie and Caleb for Diego having to go on the run.

Naomi shocks everyone when she announces she won’t be able to oversee Max’s wedding because she has accepted a job in New York and will be leaving immediately. Teddy comes back to town and Dixon rushes back from touring to give his relationship with Adrianna another try, then fails to show up at their meeting spot. Meanwhile, Silver feels like she has to choose between Navid and Liam and makes a life-changing decision.

In the season five premiere, Naomi and Max make some big plans that go horribly awry when they both get arrested and land in jail. Liam is forced to put The Offshore up for sale in order to pay off Vanessa and buy out her $200,000 interest in Liam’s movie contract. Navid approaches Liam about becoming his business partner. Teddy is overwhelmed by Silver’s request to father her baby. Adrianna, unaware Dixon has gotten into a life-threatening accident, has an unforgettable evening in Las Vegas with a handsome stranger, Taylor, after she vows to get over Dixon and move on with her life. Annie asks Ade to return to Los Angeles to be with an unconscious Dixon, and the two girls decide to move into the beach house together.

Naomi and Max’s honeymoon plans are put on hold after Alec informs Max that his whirlwind wedding has caused a public relations problem and lowered their tech company’s stock price. Naomi decides to throw a high-class reception to reassure Max’s investors that their marriage isn’t a cause for concern. Adrianna discovers that club promoter Taylor, her one-night stand from Las Vegas, is partnering with Liam and Navid to re-launch The Offshore. Adrianna insists that their fling was a one-time thing, but Taylor suspects she has deeper feelings. At physical therapy, Annie and Dixon encounter fellow patient, Riley, who warns Annie to stop babying Dixon so he can learn how to manage on his own. At home, Dixon explodes on Annie and tells her that he’s tired of her help. Liam offers to buy out Vanessa’s portion of his movie contract, but Vanessa blackmails Liam to be her boyfriend again by threatening to show the police hidden camera footage of Liam. Silver invites Liam to be her date at Naomi’s reception, but gets a surprising answer. Liam confronts Vanessa after the reception, but their argument is cut short by a shocking accident.

Silver has yet to schedule her insemination appointment, and worries that she’ll no longer be attractive after undergoing the preventive surgeries. Adrianna encourages Silver to treat herself to an irresponsible day of fun doing all the things that she won’t be able to do once she becomes a mother. Alec ignores Naomi’s gestures to make nice, so Naomi poses as a wealthy investor and lures him to her yacht for a phony business meeting. The two reach an agreement to get along, and Alec spontaneously kisses Naomi, which she rebuffs. Alec apologizes, but Naomi insists on telling Max, unaware that Alec had planted the kiss to blackmail her. Meanwhile, Annie thinks that Riley is too hard on Dixon, but Riley insists that Dixon needs to change his attitude in order to accelerate his recovery. Liam learns that his video game contract can’t be finalized without Vanessa’s approval, so Annie encourages him to speak with her attorney, Lindsey Beckwith. Liam worries when a detective shows up asking questions about Vanessa’s whereabouts.

Naomi plans a romantic getaway with Max, intending to disclose that Alec kissed her, but when Max persuades Naomi to perform a trust-building exercise, she freaks out when she’s unable to complete it. Silver discovers that nude pictures from her photo shoot have been posted on the internet, and receives help removing them from Annie’s new prospect, Collin. Liam enrolls in Lindsey's business law class, but she assumes he’s not serious about his education. Liam’s new costar, Kendall, is harassing him to begin a relationship with her for publicity, so Liam attempts to escape by going camping with Navid and Dixon. When Liam goes missing in the woods, Kendall seizes the opportunity to alert the media to find him. Meanwhile, Dixon encourages Adrianna to hire Taylor to create her new music video concept. After Taylor dares Adrianna to show him how sexy she can be, she realizes that she has feeling for him.

As Dixon continues to recuperate, Adrianna confides in Annie that she and Dixon are having intimacy issues. Annie grows closer to Colin, but Riley suspects that Colin isn’t who he appears to be. Colin discovers that Alex installed a GPS tracking app on Naomi’s phone so he can track her whereabouts, but Colin reconfigures her phone so she can secretly read Alec’s emails, which exposes Alec’s efforts to sabotage Max’s relationships. Navid hopes to show Silver how successful he’s become with the launch of the Pop Up, but he becomes suspicious that Silver and Liam are secretly seeing each other. Lindsey comes to the opening event to discuss Liam’s business plan, and their animosity gives way to passion.

Liam and Lindsey keep their relationship under wraps, but when Navid's jealous streak gets the best of him, he arranges for Liam and Lindsey's sex tape to be shown in place of Liam's movie premiere at Phenomi-com. Riley admits his feelings to Annie, but Annie's more interested in giving her relationship with Colin a chance.

Meanwhile, Max tries to figure out how his company's video game technology got hacked, so Naomi and Alec work together to demo a new video game at Phenomi-con. Taylor feels guilty for hooking up with Adrianna, so he tells her to end things with Dixon if she wants to be with him. Dixon collapses due to a spinal infection, and Adrianna learns that he stopped taking his pain medication because he was afraid to become addicted again.

When Adrianna opens at the Hollywood Bowl for a headlining artist, Dixon decides to buy her a celebration gift. Suspecting he might propose, Silver convinces Ade to come clean about her affair with Taylor. Annie confronts Riley about standing her up for wrongly suspecting that Annie is uncomfortable with his disability. Naomi encourages Max to hire an executive to replace Alec, but she’s uncomfortable when the perfect candidate-on-paper turns out to be a gorgeous girl, Bryce Albright. Liam receives a threatening letter that suggests the anonymous source knows the truth about Vanessa’s disappearance, and he’s relived when off-duty L.A.P.D. officer, Ashley Howard, becomes his bodyguard.

Naomi hosts an elaborate charity lingerie show at the Playboy Mansion in an attempt to gain membership status with the elite ladies West Beverly alumni group. Silver surprises her West Beverly High friends by performing burlesque at this stylish Homecoming event. Liam confides in Annie about Vanessa’s accident and tells Annie about the blackmail threats he’s received. Liam also accepts Navid’s apology for leaking Liam’s sex tape and offers Navid the chance to manage The Offshore. While Dixon is making big plans for Adrianna’s career on his new record label, he discovers that Ade had other desires aside from music.

When Alex approaches Max about forming a new company with him, Naomi intervenes by attempting to persuade Bryce to rehire Max at his company. Naomi convinces Navid to take Bryce out for drinks, and after a few cocktails Navid uncovers the truth about Max's termination, which leaves Naomi pondering the fate of her marriage. Then, Liam receives a blackmail letter about Vanessa's accident, and Annie agrees to lend him the money to help trap his blackmailer. But when Adrianna tells Ashley that she spotted Vanessa at the beauty salon, Ashley wrongly suspects that Liam was headed for a secret rendez-vous with Vanessa.

Meanwhile, Silver is distraught when Teddy refuses to sign over his parental rights and tries to convince her to let him co-parent the baby.

Annie and Vanessa search for Liam after discovering that Ashley was falsely posing as his studio-hired bodyguard. Needing a break, Naomi goes on a road trip with Adrianna, only to have her wedding ring stolen. Meanwhile, Dixon fails to convince Megan he is over Adrianna.

Annie experiences an alternate reality about what life would have been like if she had stayed in Kansas, including being engaged to her high school boyfriend. In the alternate world, Dixon becomes a massively successful hip hop artist who no longer has contact with his family, while Adrianna is a washed-up actress and Hollywood’s bad girl. Naomi is a real estate agent, and Teddy has not revealed his true sexual orientation.

Naomi and Max see a marriage counselor to decide if they are going to stay married, while Teddy tells Silver he won’t ruin her chance to have a baby if she agrees to his terms. Navid uses Liam’s celebrity status to help him get into an elite secret society and Annie rushes to tell Riley her true feelings before he undergoes an experimental surgery.

Naomi and Max co-host a charity football game which re-kindles old feelings, while Navid pushes Liam to continue underground fighting. Adrianna purposely sabotages a performance so Dixon will let her out of her contract, and Annie’s blog gets the attention of a publisher.

Liam experiences some symptoms of post-traumatic stress disorder while preparing to testify against Ashley, while Annie is furious when Naomi tracks down their half-brother Mark, a chef who owns a gourmet food truck. Silver is overbearing with her surrogate Michaela, whom Dixon discovers has an amazing singing voice.

Naomi decides to open a restaurant with her half-brother Mark, while Dixon books Michaela to perform at the restaurant opening, unbeknownst to Silver. Annie feels confused about her newly re-surfaced feelings for Liam and Navid agrees to escort Campbell’s fiancé to an event, only to find out Campbell is cheating on her.

Liam decides to open his own custom surfboard shop for women, but things get complicated when he becomes romantically involved with his first investor. Naomi tries to convince Mark to stay in Los Angeles after he receives an offer to be head chef at a restaurant in New York, while Dixon convinces Silver to direct Michaela’s first music video before she gets pregnant.

Naomi meets up-and-coming mogul Jordan Welland, who hires her to plan events for his media empire, while Annie, Adrianna and Silver plan a girls’ night out for Naomi, which ends with disastrous results. Dixon starts to develop feelings for Michaela, and Liam finds out that the Cronus brothers plan to blame Navid for the cheating ring and is forced to befriend them to clear Navid’s name.

Jordan asks Naomi to plan a launch party for the latest hot writer, known as Author X, which forces Annie to admit that she is Author X. Silver worries that Adrianna is not okay that she is dating Mark. Meanwhile, Dixon finds out that Michaela has feelings for Navid.

Liam and Navid, in an effort to get teenage pro-surfer Cassie to be their first sponsored athlete, ask her favorite musician Olly Murs to do a special performance. Naomi travels to New York to make a good impression on Jordan’s mother, Cheryl with disastrous consequences. Annie decides to publicly say her novel is fiction but Dixon persuades her to tell the truth.

Jordan calls in a favor from his mother to help out Mark, but in exchange must end things with Naomi. Annie must deal with the betrayal Liam feels from being in her book and Michaela catches Navid and Adrianna during an intimate moment.

Jordan's sister Elizabeth gets into trouble with an out-of-control Royal, so Naomi helps out by taking the heat to protect Elizabeth's reputation. Silver is called in to see her doctor about some test results and Annie decides to get over Liam by going to Paris for a book tour. Meanwhile, Adrianna performs after Fall Out Boy at a big event, but the concert ends in chaos.

In a memorable send-off, our favorite group from Beverly Hills will come together again after a traumatic event that makes them realize the importance of their relationships.