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.

Jane struggles with an overwhelming schedule, her adviser's approval of her work, and Rogelio's active role in the wedding. Petra learns the tale of her sister's journey to meet her. Raphael pursues a new investment opportunity. Rogelio searches for a far-fetched solution to a recent mistake.

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

Jane (Gina Rodriguez) 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 (Jaime Camil) faces a challenge on set that could jeopardize Jane's big day. Jane is excited when Alba (Ivonne Coll) gives her a lead on a book publisher, but soon begins having doubts about her writing. Jane and Petra (Yael Grobglas) try to help Rafael (Justin Baldoni) figure out his troubles, but they have differing opinions on how to handle the situation. Meanwhile, Michael (Brett Dier) is convinced that Derek (guest star Mat Vairo) is really in cahoots with Mutter (guest star Fabiana Udenio) and has a plan to prove it. Andrea Navedo also stars.

Jane and Michael's wedding plans go awry; Jane wants to change her graduate thesis but worries doing so will interfere with her big day; Rafael considers telling Jane about his feelings; Anezka has a health emergency; Xo gets unexpected news.

Jane (Gina Rodriguez) continues to work on her thesis and she decides to add Alba's (Ivonne Coll) estranged sister to the narrative, much to Alba's dismay. In order for Rogelio (Jaime Camil) 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 (Andrea Navedo) thinks about abandoning her dream of being a singer for something more realistic. Meanwhile, Luisa (guest star Yara Martinez) is forced to make a choice between her family or Rose (guest star Bridget Regan). Ivonne Coll and Justin Baldoni also star.

Jane questions her less than spontaneous life after her cousin unexpectedly visits; Xo finds a location for her dance studio; Rogelio struggles to tell Xo he has feelings for her; Petra is served with a lawsuit and asks Rafael for help.

Jane (Gina Rodriguez) and Michael (Brett Dier) 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 (Gina Rodriguez) is finally a published author but she's reluctant to talk about her past to help sell her book. Rogelio (Jaime Camil) is intimidated by his new younger male co-star and begins to wonder if the newbie is trying to sabotage him. Luisa (guest star Yara Martinez) and her girlfriend Eileen (guest star Elisabeth Rohm) are back in town to visit Rafael (Justin Baldoni), but Rafael isn't taking any chances when it comes to safety. Meanwhile, Petra (Yael Grobglas) must convince Anezka (Yael Grobglas) to come back to Miami to answer some questions the police have for her.

Jane gets back to her teaching roots and sees her former professor in a different light.

Jane is confused with her feelings for Rafael and Michael. Rafael is angry making Mateo feel upset with his mom. Jane is turning 30 and is not in the mood for her birthday party. She struggles to start writing again which leads to helping her better understand and accept her feelings.

Jane struggles to balance her time between writing a script for the network and writing a novel; Rafael is furious with Jane after she makes a medical appointment that he doesn't agree with; JR lands a job interview out of state

Jane gets inspiration to finish her novel but now she must find an agent to shop it. Rogelio contemplates taking a different role. Jane prepares to be a stepmother and turns to Petra for advice about the twins.

Jane (Gina Rodriguez) and Rafael (Justin Baldoni) are finally getting ready for their big day, but Rafael's desire to help Jane's writing dream lands him in trouble. Xo (Andrea Navedo) and Rogelio (Jaime Camil) must tell the family about their decision, and not everyone takes it well. Meanwhile, Petra (Yael Grobglas) struggles with her emotions.