Jane has decided to save herself for marriage, but her life is turned around when she finds herself accidentally artificially inseminated.

Jane's mother puts pressure on her to sue her doctor. Jane keeps running into Rafael. Jealousy forces Michael to turn to Petra as an ally.

Jane requires some space and makes the decision to move in with Michael. Rogelio's nerves end up getting the better of him.

Rogelio's stepdaughters decide to try and make Jane's life miserable. Rogelio asks Xo to use his band.

Jane finds it hard to avoid Rafael after her friends take her to one of his clubs.

Some shocking secrets are revealed by Rafael and Jane. Petra discovers another way to complicate Rafael's life.

A shocking discovery is made by Jane and Rafael regarding Petra. Michael finds a big clue.

When a hurricane rips through Miami, Jane has no choice but to stay at the Marbella, but the storm soon becomes the least of her worries.

Jane gets two offers a permanent teaching position as well as a writing internship.

Jane's big break looks as if it is too good to be true. Petra finds out a disheartening truth.

Jane attempts to sort things out with Rafael. Xo is left feeling surprised by Rogelio's reaction after she reveals a secret. Michael makes an surprising discovery concerning Sin Rostro.

Jane attempts to do what's best for the baby. Xo attempts to say sorry to Rogelio.

Jane is concerned about go to a high school reunion, Petra learns about Jane's request.

Jane starts to go into labor after insisting that Xo and Rogelio go to Las Vegas for their show.

After Jane discovers Mateo’s abduction, chaos ensues, especially when they all learn Sin Rostro is involved and demanding a ransom. Jane must also focus on motherhood and turns to Xo and Alba for help, leaving Rafael feeling left out. Meanwhile, Petra is conflicted with what to do with Rafael’s remaining sperm sample.

When a slot opens up in the graduate program that Jane has been waiting for, she is faced with her first big motherhood dilemma -- leaving Mateo sooner than expected. Rafael is still reeling from Petra's news as he tries to help plan Mateo's baptism with Jane. Xo helps Rogelio confront his past even though it makes Xo uncomfortable. Meanwhile, Michael takes some advice from Rogelio about how to handle Jane, but it is easier said than done for him.

Jane thinks she is finally ready to make a decision about her love life. Alba has taken the proper steps to become a citizen, but Xo's past might make it more difficult than anyone was expecting. Rogelio learns that his nemesis, Britney Spears, is at the Marbella Hotel and he is determined to confront her about their past. Michael is so caught up in his ongoing feud with Rafael that he ends up in big trouble at work. Meanwhile, Petra gets an offer from her ex Milos she just can't refuse.

Jane and Rafael begin estate planning for Mateo, but when Jane realizes that Mateo will inherit millions, she worries he will become spoiled. Jane is also finally starting graduate school, but her professor is not sympathetic to her situation. Rogelio's famous show is ending, so he decides to create his own show, with Xo's encouragement. Petra is shocked to learn what she is having and turns to Jane for advice and help in getting her mother out of prison. Meanwhile, after Michael's issues at work, he has decided to go rogue and is even more determined to catch Sin Rostro.

Jane and Rafael interview potential babysitters to help take some of the pressure off everyone, but Jane has specific and lengthy requirements. Jane attends her graduate school's Christmas party in hopes of finding the perfect writing advisor, but things don't go quite as planned. Rogelio is faced with a tough decision about the direction of his life. Petra wants a friendship with Jane, but her mother's antics once again thwart those efforts. Meanwhile, Michael's suspicions have turned out to be true and he thinks he has discovered a lead on a possible rival to Sin Rostro.

Jane and Rafael are still at odds with each other as they are about to celebrate Mateo's first Christmas. Jane discovers that the scholarship she thought she had been awarded isn't quite that and now needs to find a way to pay for grad school. Rogelio has employed an intern and is having trouble trusting him. Petra is struggling with the latest dilemma her mother has gotten them into. Meanwhile, Michael is trying to find Luisa's mother who he now suspects is not dead and may be involved with Sin Rostro.

Jane's latest parenting obstacle is sleep training Mateo, a struggle that has the Villanueva woman divided on what is the best method. At the same time, she is beginning her new job as a TA and is faced with a class full of basketball players looking for an easy A. Petra confesses all to Rafael and is determined to put her mother away for good. Rogelio's mother Liliana comes for a visit and reveals a 40 year old family secret. Meanwhile, Michael discovers the truth about Luisa's mother and new information about Rafael's mother.

Jane's crush on Professor Chavez is popping up in her dreams and she needs to evaluate her feelings towards him. Xo and Jane find Liliana's engagement ring and think that Rogelio is going to propose. Rogelio IS planning to propose, but with a different ring, one that gets swallowed accidentally by Mateo! Michael.

Jane and Michael's wedding plans are side tracked when the Villanueva house is ruined by a flood. Jane is looking to have a small wedding, but Rogelio wants nothing more than to throw Jane a big blow out wedding so he can invite all his celebrity friends. Jane and Michael are also looking for the perfect home to move into and when they find a place 45 minutes away, Rafael has an issue being that far from Mateo. Petra is still having trouble adjusting to motherhood.

With Jane and Xo still dealing with the fallout from Jane's bachelorette party, Jane is now left with finding someone to watch Mateo. When Michael volunteers to help everything is perfect until Mateo does something for the first time in front of Rafael, upsetting him. Rogelio gets in trouble with the network executives when he uses the crew for his own use, so he turns to his favorite writer Dina to help fix the problem. Meanwhile, someone is causing problems for Petra at the Marbella and in her personal life. 

Jane has made big plans to celebrate Mateo’s first birthday, but things start to fall apart when she learns there might be an issue with her wedding venue. Rogelio faces a challenge on set that could jeopardize Jane’s big day. Jane is excited when Alba gives her a lead on a book publisher, but soon begins having doubts about her writing. Jane and Petra try to help Rafael figure out his troubles, but they have differing opinions on how to handle the situation. Meanwhile, Michael is convinced that Derek is really in cahoots with Mutter and has a plan to prove it.

Jane discovers that Michael was shot and finds herself having to make difficult choices. With Rafael focused on keeping Mateo safe, Anezka, who is pretending to be Petra, "helps" the cops with their investigation. However, it isn't long before everyone starts to notice that "Petra" is acting odd. Meanwhile, Rogelio is trying to keep everything out of the press for Jane, but in order to do so finds himself in an awkward position and asks for Xo's help.

When Rafael finally admits that he is over Jane, their co-parenting style is tested when they argue over what the best preschool is for Mateo. Xo is paranoid about Alba finding out her secret and what it will do to their relationship. Rogelio is ready to cross over to American TV, especially after he learns his nemesis is making the transition. Meanwhile, “Anezka” is trying to find new dirt on Rafael when she begins an unexpected romance.

Jane's burgeoning relationship with Adam helps bring out her fun side and reminds her that she isn't just a mom. However, when Adam gets a job opportunity, he asks for Jane's opinion on if he should stay or go. Rogelio is facing issues with his co-star at work and things are about to get even worse for him. Xo is helping to take care of Darci to prove that Rogelio is committed to being a father to the baby. Meanwhile, Petra and Rafael are working together to try and buy back the hotel, but are running into trouble, causing tension between them.

Jane and Adam's relationship seems to be moving at hyper-speed, and Jane thinks that it might be time for him to meet Mateo, but Rafael is not happy with this idea. As the arrival of baby De LaVega Factor approaches, Rogelio's jealously of Darci's new boyfriend increases as well. Trying to be supportive, Xo encourages Rogelio to step up and be the father he was meant to be. Meanwhile, Rafael is determined to get his hotel and life back and will do whatever he has to do to make it happen.

When Jane learns that Rafael introduced Mateo to his new girlfriend, Katherine, without her consent she gets angry since she thinks Katherine has a negative influence on both Rafael and Mateo. Jane turns to Petra for help with the situation with Rafael, but Petra makes Jane an offer she can't refuse. Now that the baby is born, Rogelio and Darci struggle to choose a name for the baby they both agree on. Meanwhile, Xo is focused on growing the dance studio and decides to go into business with an unlikely foe.

When Adam reveals his dating past to Jane, the information puts a strain on their relationship. Lina seeks Jane's advice about whether she should get married and begs Jane to give her honest opinion about her fiancé. Petra hears some important information that could help Rafael get the hotel back, but Rafael is more concerned about his sister's well-being. Meanwhile, Xo asks Rogelio to consider having a medical procedure done, but Rogelio is very hesitant.

Jane's book is finally being released but her plans to have a party at the local bookshop where she was inspired to be a writer hit a snag. Always wanting to help Jane, Rogelio devises a plan to save the day, but one of his archrivals threatens to ruin the day. Rafael finds a job, but it is not exactly what he was hoping for. Meanwhile, Petra has come up with an interesting strategy to get the Marbella back, but Rafael wants nothing to do with it.

Jane is excited for her first book tour and brings Xo along for fun, but Alba decides last minute that she is going as well. Things take an unexpected turn at their first stop which makes all three ponder what they should do. Rafael and Rogelio's attempts to take care of Mateo while Jane is away hits a bump, but ultimately might have made things better between them. Meanwhile, Petra thinks she has finally gotten a handle on the hotel, until a new problem arises.

After Jane, Rafael, Petra and JR all go out together, Jane is bothered to learn that JR doesn't like her. Jane and Rafael brush off a big relationship moment, but they both try to make up for it in different ways. Rogelio is nervous to tell Darci that he is no longer able to be a "Danny" so he uses Xo as a scapegoat landing him in hot water with both Xo and Darci. Meanwhile, Jane helps Alba secretly prepare for the biggest test in her life.

Jane and Rafael find themselves in a not ideal living situation in order to save money. When Rafael sees Alba try to punish Mateo, an unexpected rift is formed. Xo tries to stay positive during treatment and even makes a new friend, but things get a little too real for her and Rogelio. River and Rogelio once again are at odds over their ideas for the show, but an unlikely person helps River see the show in a different light. Meanwhile, Petra feels unsupported by JR when she questions what really happened the night Anezka died.

Jane believes she and Rafael are in a good place until she realizes he is keeping a secret from her. Alba's big day has finally arrived, and Jane, Xo and Rogelio are ready to celebrate but Alba has other plans. Petra and JR make a decision about their future that neither of them saw coming. Meanwhile, River spends the week with Rogelio in order to help them be believable as a married couple, but she soon starts to take her role too seriously.

After talking to everyone else about what is going on in her life, Jane turns to Petra, who she knows will give her a straight answer. In return, Petra leans on Jane for advice about JR (guest star Rosario Dawson). Xo is determined to be at grandparents' day for Mateo but still has one more chemo treatment. Meanwhile, Alba is getting mixed messages from Jorge about their relationship.

When Lina comes to town, Jane is excited to see her until Lina asks her for a favor. Rafael begins to work with Petra again but old tensions create new problems between them. Rogelio creates a plan to pressure the network to pick-up his pilot. Meanwhile, Jane and Rafael have been looking for a solution to one of their problems and think Alba just might be the answer.

After Jane is struck with inspiration for her book, she immediately begins to write, but her next challenge is to get an agent. Rogelio has been so focused on being the star, he begins to contemplate taking on a different role instead. Meanwhile, Jane thinks it’s important to build a different relationship with the twins and turns to Petra for some guidance.

When Jane’s editor pitches her a dark twist for her book, Jane begins to wonder if the same thing might have actually happened to her. Rogelio helps River bond with her daughter, but River once again makes things difficult for him. To avoid thinking about her career change, Xo instead focuses on trying to smooth things over between Jane and Alba. Meanwhile, Alba stands up to someone from her past, which helps Jane realize she should do the same for herself.

With Jane and Rafael finally getting ready for their big day, Rafael’s desire to help Jane’s writing dream lands him in trouble. Xo and Rogelio must tell the family about their decision and not everyone takes it well. Meanwhile, Petra struggles with her emotions.