Rafael and Petra are new parents but Petra is already back to work and appears to be not interested in motherhood. Xo has invited Alba's old flame Pablo to visit. This does not sit well with Alba as she believes Pablo is cursed and will bring bad luck. Jane is growing concerned that she can't get in touch with her father, Rogelio, who is being held captive by Lola.

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. 

The Villanueva women have a tradition for Mother's Day and Jane is excited to get to participate in her first one as a mom. However, their plans are thwarted when Petra invites everyone to a brunch instead. Jane's TA position is put into jeopardy when a mysterious ad appears in the college newspaper. Rogelio is hurt when Dina doesn't invite him to her birthday party, so he asks Jane to help in an unusual way. Rafael finds himself in big trouble thanks to his half-brother. Meanwhile, Xo finds herself in a compromising position.

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.

After moving up the wedding day, Jane and Michael find all their carefully made plans thrown into chaos. To make matters worse, Jane is unhappy with her current graduate thesis, but changing it might put a wrinkle in her big day. Rafael still has feelings for Jane, but is torn about whether he should speak now or forever hold his peace. Petra has her own family drama when Anezka has a medical emergency and ends up in the hospital. Meanwhile, Rogelio and Xo are finally coming to terms with the state of their relationship until Xo gets surprising news.

Jane continues to work on her thesis and she decides to add Alba’s estranged sister to the narrative, much to Alba’s dismay. In order for Rogelio to have a chance at being an American crossover star he decides to bring the Passions of Santos to The CW in hopes they will pick it up. Xo thinks about abandoning her dream of being a singer for something more realistic. Meanwhile, Luisa is forced to make a choice between her family or Rose.

When Jane’s cousin unexpectedly shows up at her door, Jane questions her own less than spontaneous life. Xo finds the perfect location for her dance studio, but it happens to be near her ex-boyfriend, Bruce. Rogelio realizes his feelings for Xo, but struggles with telling her. Petra is served with a lawsuit and she decides to ask Rafael for help. Meanwhile, Michael is ready to get to work just as they get a break in the Mutter case.

Jane and Michael are both feeling the pressure – Jane with turning in the perfect novel and Michael with passing his upcoming test. Jane and Rafael become concerned over Mateo’s development when they learn that other children his age are more advanced. Rogelio invites everyone to the last day of filming for his telenovela, but he is not pleased with the ending. After watching Xo and Rogelio’s interaction, Darci begins to question her and Rogelio’s potential relationship. Meanwhile, Rafael is upset when he learns what Petra is up to, but she explains that she is protecting him once again.

Working in publishing is not what Jane thought it would be, until she learns about a showcase for up and coming writers. With Petra helming the Marbella, she decides to rebrand the hotel, but quickly butts heads with the rival hotel next door. Rogelio and Darci have made a new arrangement which has put a strain on his relationship with Xo. Meanwhile, Jane and Rafael try to figure out the best solution to Mateo’s behavioral issues and they both seem to have different approaches.

Jane is finally a published author but she’s reluctant to talk about her past to help sell her book. Rogelio is intimidated by his new younger male co-star and begins to wonder if the newbie is trying to sabotage him. Luisa and her girlfriend Eileen are back in town to visit Rafael, but Rafael isn’t taking any chances when it comes to safety. Meanwhile, Petra must convince Anezka to come back to Miami to answer some questions the police have for her.

Jane is ready to move on from the Marbella and pursue writing full time, but an unexpected development forces her to consider returning to her teaching roots. When Jane applies for a job as an adjunct professor, she finds herself seeing her former professor, Jonathan Chavez, in a different light. Rafael thinks he has found a way to get back in the real estate game and looks to Jane for support. Meanwhile, Rogelio courts Eva Longoria to star in the American remake of the Passions of Santos.

With everything that has been going on, Jane reluctantly agrees to let Rogelio throw her a big 30th birthday party. Jane’s mentor gives her some important advice that may help her start writing again. Meanwhile, Petra thinks she and JR are finally in a good place, until she realizes that JR might see things differently.

When Rogelio tells Jane that the network wants her to write the script for their telenovela, at first she is excited, but begins to struggle balancing her time between that and her novel. Rafael is furious with Jane after she makes a medical appointment that he doesn’t agree with behind his back. Meanwhile, Petra tries to be positive about their relationship when JR lands a job interview out of state.

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.

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.