Jane makes a shocking discovery and looks to Rafael for answers, but is confused by his decision to put everything he and Jane have on hold. Meanwhile, Petra is trying to secure a future with the hope of it being 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 must get over the newest hurdle in her life, which proves to be harder than she and Rafael would have hoped. Rogelio discovers that he and River are not as equal as he thought. Meanwhile, Jane and Petra must deal with the children not getting along with each other, which in turn brings up issues of how Petra and Jane feel about each other.

After talking to everyone else about what is going on in her life, Jane turns to Petra, who she knows will give her a straight answer. In return, Petra leans on Jane for advice about JR. Xo is determined to be at grandparents' day for Mateo but still has one more chemo treatment. Meanwhile, Alba is getting mixed messages from Jorge about their relationship.

With everything that has been going on, Jane reluctantly agrees to let Rogelio throw her a big 30th birthday party. Jane's mentor gives her some important advice that may help her start writing again. Petra thinks she and JR are finally in a good place, until she realizes that JR might see things differently.

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 is trying to go with the flow, so when Michael makes a suggestion to Jane which takes her out of her comfort zone, Jane decides to go for it. Jane struggles to adjust while Michael slides back into his old life. Meanwhile, Jane struggles with her feelings for Rafael.

Jane is having a hard time dealing with Rafael avoiding her, so when an issue with Mateo comes up she uses it to get some face time. Rogelio turns to Jane for help when he learns his pilot is in trouble. Alba and Jorge enlist Xo's help to study for their upcoming immigration test. Meanwhile, Petra finally gets to the bottom of who has been terrorizing her.

When Jane and Rogelio join forces to pitch a pilot, Jane is excited until she discovers a secret about her book being published. Alba and Jorge make an important decision about their future together. Rafael asks Jane to allow Luisa to meet Mateo, but she is unsure of her decision. Meanwhile, Petra and JR's relationship is once again tested.

When Rogelio tells Jane that the network wants her to write the script for their telenovela, at first she is excited, but begins to struggle balancing her time between that and her novel. Rafael is furious with Jane after she makes a medical appointment that he doesn't agree with behind his back. Meanwhile, Petra tries to be positive about their relationship when JR lands a job interview out of state.

With Jorge officially moved into Alba's house with his stuff, it quickly has changed the dynamic, making Jane to uncomfortable. Rafael and Jane work on their co-parenting of Mateo now that they have a potential way to help Mateo. Rogelio has a new set of unexpected problems arise on set with River. Xo is nervous about her last PET scan and what the results could show.

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 against him. Jane convinces Petra to go on a single ladies' night out after she learns that Rafael is dating.

With Jane and Rafael finally in a good place, they are concerned to discover Mateo's treatment might be a problem. Alba and Rogelio are worried about Xo's recent behavior. Petra is secretly pleased when Rafael and Jane begin fighting over her.

When Lina comes to town, Jane is excited to see her until Lina asks her for a favor. Rafael begins to work with Petra again but old tensions create new problems between them. Rogelio creates a plan to pressure the network to pick-up his pilot. Meanwhile, Jane and Rafael have been looking for a solution to one of their problems and think Alba just might be the answer.

After Jane is struck with inspiration for her book, she immediately begins to write, but her next challenge is to get an agent. Rogelio has been so focused on being the star, he begins to contemplate taking on a different role instead. Meanwhile, Jane thinks it's important to build a different relationship with the twins and turns to Petra for some guidance.

When Jane's editor pitches her a dark twist for her book, Jane begins to wonder if the same thing might have actually happened to her. Rogelio helps River bond with her daughter, but River once again makes things difficult for him. To avoid thinking about her career change, Xo instead focuses on trying to smooth things over between Jane and Alba. Meanwhile, Alba stands up to someone from her past, which helps Jane realize she should do the same for herself.

Jane is feeling great about all the book publishing prospects she has until an unexpected problem pops up. Petra and Rafael's working relationship has been going so well that Petra makes Rafael an unexpected offer. It seems like every time Rogelio takes one step closer to his dream, a new roadblock appears.

Get ready for the finale with cast interviews from the cast of "Jane The Virgin" - Gina Rodriguez, Andrea Navedo, Yael Grobglas, Justin Baldoni, Brett Dier, Ivonne Coll, Jaime Camil, Elias Janssen, Anthony Mendez and executive producer Jennie Snyder Urman.

With Jane and Rafael finally getting ready for their big day, Rafael's desire to help Jane's writing dream lands him in trouble. Xo and Rogelio must tell the family about their decision and not everyone takes it well. Meanwhile, Petra struggles with her emotions.