Jane makes a shocking discovery and looks to Rafael for answers; Rafael decides to put everything he and Jane have on hold; Petra is trying to secure a future with JR, but her past might jeopardize everything..
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.
Jane is torn between her feelings for Michael and Rafael, and makes a bad decision while drinking with Petra. Petra tries to get JR back and get rid of Magda. Alba thinks Jorge might still have feelings for her.
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 with giving Rafael his space after she discovers that he is hiding a secret. Jane and Michael uncover clues about what happened the day he "died." Petra wants to fit into JR's world and enlists Jane's help. After a few attempts to get back into the groove, Xo and Rogelio work together to try and find a new normal. Meanwhile, Alba confesses her feelings about Jorge.
Jane and Michael travel to Montana to check the chemistry of their relationship. Jane gets out of her comfort zone while Michael slides back in to his old life as Jason. Jane struggles with her feelings for Rafael.
Jane cannot deal with Raphael avoiding her. She uses an issue with Mateo to get time with Raphael. Rogelio turns to Jane when he learns his pilot is in trouble. Alba and Jorge get advice from Xo on how to study.
When Jane (Gina Rodriguez) and Rogelio (Jaime Camil) join forces to pitch a pilot, Jane is excited until she discovers a secret about her book being published. Alba (Ivonne Coll) and Jorge (guest star Alfonso DiLuca) make an important decision about their future together. Rafael (Justin Baldoni) asks Jane to allow Luisa (guest star Yara Martinez) to meet Mateo, but she is unsure of her decision. Meanwhile, Petra (Yael Grobglas) and JR's (guest star Rosario Dawson) relationship is once again tested.
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
After Rafael witnesses Mateo's behavior at school, he wants to take a different approach to his treatment; Rogelio is paranoid that River is plotting her revenge; Jane convinces Petra to go out after she learns that Rafael is dating.
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.
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 begins to obsess over the past after her agent pitches a dark twist to her novel. Rogelio tries to patch up River's relationship with her daughter. Xo tries to smooth things over between Jane and Alba.
With Jane (Gina Rodriguez) and Rafael (Justin Baldoni) finally getting ready for their big day, 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.