Petra tries to get custody of the baby, all the while Michael tries to find proof Rafael may be Sin Rostro. Xiomara gets a record offer. Petra's identity is almost revealed.

Michael's suspicions cause Jane to question Rafael's actions.

News about their baby's health causes Jane and Rafael to revisit the idea of moving in together.

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.

While Black Friday shopping, Jane sees Michael for the first time after six months. Meanwhile, Rogelio tries to save "Hombres Locos," and faces difficult personal and professional dilemmas. Jane and Rafael begin dating again and interview potential babysitters. Additionally, Jane hopes to find the perfect writing advisor.

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.

Rafael and Jane's co-parenting style is tested when they argue over the best preschool for Mateo. Xo is worried about what will happen to her relationship with Alba if she finds out her secret. Rogelio crosses over to American TV when he learns his nemesis is doing the same. Anezka tries to find new dirt on Rafael when she starts an unexpected romance.

Alba lets Jane read the letters from her estranged sister as long as she doesn't reach out to her family; Rafael suspects something different with Petra; Michael and Rafael try to create a civil friendship.

Jane rediscovers her fun side through her relationship with Adam. Rogelio doesn't like his new co-star. Xo helps care for Darci to prove Rogelio is committed to being a father. Petra and Rafael work to re-buy the hotel.

Jane agrees to allow Adam to meet Mateo. Raphael doesn't like the idea. Rogelio doesn't like Darcy's new boyfriend. Xo encourages Rogelio to be a better father. Raphael is determined to regain control of his life.

Jane and Adam have agreed to take time apart to think things over. Rogelio and Darcy can't decide on a name for the baby. Xo's business struggles. Alba shares her wisdom with Raphael.

Adam reveals his dating past to Jane and it puts a strain on their relationship; Lina seeks Jane's advice about whether she should get married; Petra hears some important information that could help Rafael get the hotel back; Xo asks Rogelio to consider having a medical procedure done, but he is very hesitant.

After Jane and Rafael decide to send Mateo to a new school, they become guilt-ridden when they are forced to lie to get him in. After Xo convinces Rogelio to attend therapy they both are surprised by their emotions. Meanwhile, Petra finds herself in big trouble with no one to turn to for help, not even Rafael.

When Jane and Rafael realize that the uncertain state of their relationship is stressing out Mateo, they decide that they need to make a decision. Petra is on the outs with Jane and Rafael after the Luisa fiasco so she tries to figure out a way to get back into their good graces. Meanwhile, Rogelio and Xo are both contemplating their career choices.

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, which lands him in hot water with both Xo and Darci. Meanwhile, Jane helps Alba secretly prepare for the biggest test in her life.

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 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 is feeling good about her publish prospects until an unexpected problem arises. Rafael's working relationship with Petra is going so well that she makes him an unexpected offer.

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.