Jane and Michael are back together and Jane wishes she had never left Michael in the first place. Rafael appears to have regressed to his playboy ways and Petra is concerned about him. But Petra is not aware that Rafael is helping Michael find Mutter's other son, Derek. Rogelio's new assistant, Paolo, is actually his stalker Lola.

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.

Petra continues to struggle with motherhood and Jane intervenes. Meanwhile, Michael and Jane begin to look into real estate and find a house that is about an hour away, much to the chagrin of Rafael. Jane becomes frustrated when the contractor says her house will not be ready in time for the wedding. Rogelio plans a surprise for Jane. With the help of Jane, Petra comes to terms with the fact that she may be suffering from post-partem depression, but a conversation with her mother makes Petra unsure she if is fit to be a parent.

Jane (Gina Rodriguez) has a specific idea of how she wants to celebrate her bachelorette party, but when Xo (Andrea Navedo) and Lina (guest star Diane Guerrero) get involved, nothing goes as planned. Michael wants to enjoy a night out with his friends, but things get awkward when his future father-in-law, Rogelio (Jaime Camil), tries to plan the perfect bachelor party. Rafael (Justin Baldoni) is still trying to figure out what his half-brother Derek (guest star Mat Vairo) motives are and what he knows about their mother. Meanwhile, Petra (Yael Grobglas) gets a surprise of a lifetime. Ivonne Coll also stars.

Jane (Gina Rodriguez) takes on additional shifts at the Marbella to make some extra money, but it starts cutting into her time with Mateo. Jane and Rafael (Justin Baldoni) agree that they need a formal custody agreement and decide to use a mediator to help make it more amicable. Xo (Andrea Navedo) takes an acting role on Rogelio's (Jaime Camil) telenovela and they are both surprised with her performance. Michael (Brett Dier) gets called into his boss' office after a newspaper runs a story on him and Sin Rostro. Meanwhile, Petra (Yael Grobglas) confronts Rafael when she learns that the twins' trust fund is different from Jane's arrangement. Ivonne Coll also stars.

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.