Jane is feeling distant from Rafael so she focuses on her writing instead, but is stuck with a case of writers block.

After Jane discovers Mateo’s abduction, chaos ensues, especially when they all learn Sin Rostro is involved and demanding a ransom. Jane must also focus on motherhood and turns to Xo and Alba for help, leaving Rafael feeling left out. Meanwhile, Petra is conflicted with what to do with Rafael’s remaining sperm sample.

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's crush on Professor Chavez is popping up in her dreams and she needs to evaluate her feelings towards him. Xo and Jane find Liliana's engagement ring and think that Rogelio is going to propose. Rogelio IS planning to propose, but with a different ring, one that gets swallowed accidentally by Mateo! Michael.

Jane has a specific idea of how she wants to celebrate her bachelorette party, but when Xo and Lina 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, tries to plan the perfect bachelor party. Rafael is still trying to figure out what his half-brother Derek motives are and what he knows about their mother. Meanwhile, Petra gets a surprise of a lifetime.

Jane 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 faces a challenge on set that could jeopardize Jane’s big day. Jane is excited when Alba gives her a lead on a book publisher, but soon begins having doubts about her writing. Jane and Petra try to help Rafael figure out his troubles, but they have differing opinions on how to handle the situation. Meanwhile, Michael is convinced that Derek is really in cahoots with Mutter and has a plan to prove it.

After moving up the wedding day, Jane and Michael find all their carefully made plans thrown into chaos. To make matters worse, Jane is unhappy with her current graduate thesis, but changing it might put a wrinkle in her big day. Rafael still has feelings for Jane, but is torn about whether he should speak now or forever hold his peace. Petra has her own family drama when Anezka has a medical emergency and ends up in the hospital. Meanwhile, Rogelio and Xo are finally coming to terms with the state of their relationship until Xo gets surprising news.

Jane convinces Alba to let her read the letters from her estranged sister, but under the condition Jane doesn’t reach out to her family. Rafael is starting to suspect that something is different with Petra. Meanwhile, Michael and Rafael, with the help of Jane and Rogelio, try to create a civil friendship, but it doesn’t go as smoothly as everyone hoped.

When Jane’s cousin unexpectedly shows up at her door, Jane questions her own less than spontaneous life. Xo finds the perfect location for her dance studio, but it happens to be near her ex-boyfriend, Bruce. Rogelio realizes his feelings for Xo, but struggles with telling her. Petra is served with a lawsuit and she decides to ask Rafael for help. Meanwhile, Michael is ready to get to work just as they get a break in the Mutter case.

Jane struggles to find the right words for Rogelio and Xo’s ceremony, when she learns about a mysterious letter that Michael wrote before their wedding. Rogelio and Xo are excited for their big day, but Rogelio gets some shocking news that could put things on hold. Once again Rafael is upset with Luisa and asks her to leave, but Luisa has a plan of her own. Meanwhile, Petra is skeptical about Jane’s feelings for Rafael which leads her to make a rash decision.

Jane and Adam's relationship seems to be moving at hyper-speed, and Jane thinks that it might be time for him to meet Mateo, but Rafael is not happy with this idea. As the arrival of baby De LaVega Factor approaches, Rogelio's jealously of Darci's new boyfriend increases as well. Trying to be supportive, Xo encourages Rogelio to step up and be the father he was meant to be. Meanwhile, Rafael is determined to get his hotel and life back and will do whatever he has to do to make it happen.

When Jane learns that Rafael introduced Mateo to his new girlfriend, Katherine, without her consent she gets angry since she thinks Katherine has a negative influence on both Rafael and Mateo. Jane turns to Petra for help with the situation with Rafael, but Petra makes Jane an offer she can't refuse. Now that the baby is born, Rogelio and Darci struggle to choose a name for the baby they both agree on. Meanwhile, Xo is focused on growing the dance studio and decides to go into business with an unlikely foe.

Jane's fixation on a negative review has left her with writer's block, so Rogelio suggests she take a class to help. With the encouragement of Jane, Rafael is ready to dig into his past. Rogelio is trying to make things less about him and more about Xo, but he grows suspicious when he learns she is keeping a secret from him. Meanwhile, Petra tests the loyalty of her lawyer.