A shocking discovery is made by Jane and Rafael regarding Petra. Michael finds a big clue.

Jane's big break looks as if it is too good to be true. Petra finds out a disheartening truth.

A medical problem could cause Jane to miss her graduation. Michael believes that he has identified Sin Rostro.

As Jane tries to juggle motherhood and school, she forgets to plan Lina's surprise 25th birthday party leading to friction between the best friends. Rafael tells Jane that he still wants a romantic relationship with her, but she is blindsided when he asks for joint custody. Petra tries to enlist Michael's help to keep Jane and Rafael apart. Rogelio's ex-wife, Luciana, is blackmailing him with secrets from years ago to get her role back on "The Passions of Santos." Meanwhile, Michael gets a new partner and a possible lead in the Sin Rostro case.

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. Rogelio learns that his nemesis, Britney Spears, is at the Marbella Hotel and he is determined to confront her about their past. Michael is so caught up in his ongoing feud with Rafael that he ends up in big trouble at work. Meanwhile, Petra gets an offer from her ex Milos she just can't refuse.

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 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.

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. Meanwhile, 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. Meanwhile, Petra is secretly pleased when Rafael and Jane begin fighting over her.