Jane worries if she is cut out to be a mother. Petra makes a startling discovery about Aaron Zazo. Xo pressures Rogelio to open up about his true feelings. Xo and Alma continue to fight over Xo moving out.

Jane goes into labor, causing conflict between Rafeal and Michael. Meanwhile, Xo and Rogelio try to make it home on time to see the baby. Petra makes a discovery of her own.

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.

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 discovers she still needs to find a way to pay for grad school; Rogelio struggles to trust his intern; Michael searches for for Luisa's mother.

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.

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.

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 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 is ready for some casual dating and is pleasantly surprised when her date actually helps her fix things with Lina (guest star Diane Guerrero). Petra follows a lead with the help of Chuck that could help her sister's case. Rafael takes Jane's advice and tries to come clean with Petra. Rogelio is angry with Xo when she blows him off, but is shocked when he learns the reason why. Meanwhile, Alba (Ivonne Coll) is appalled by a comment a customer makes in the gift shop and decides to take a political stance.

Xo struggles to make an important decision and looks to Jane for guidance, leaving Rogelio feeling like an outsider. Alba is frustrated with Rogelio when it seems he is once again making his career a priority over Xo. Meanwhile, Petra turns to Rafael for advice on her love life.

With Jane's Catholic guilt starting to settle in, she turns to Alba for advice and gets an unexpected answer. Luisa decides to go see Rose with Rafael by her side, in order to help get answers. Meanwhile, Rogelio is back to work with River, but a power struggle ensues between the two and Xo might be the solution they have been looking for.

With Jane (Gina Rodriguez) and Rafael (Justin Baldoni) finally in a good place, they are concerned to discover Mateo's treatment might be a problem. Alba (Ivonne Coll) and Rogelio (Jaime Camil) are worried about Xo's (Andrea Navedo) recent behavior. Meanwhile, Petra (Yael Grobglas) is secretly pleased when Rafael and Jane begin fighting over her.