The second season focuses on Cristina "Cris" Soto Peña. She meets a mysterious new girl named Joana at Hugo's birthday party, and they quickly form a romantic connection. The arc of this season deals with Cris's inability to deal with serious problems, whether it be with friends, family, or a romantic partner. The topics discussed within this season are issues of identity exploration, bisexuality, struggles with parents, and what's like to live with borderline personality disorder.
Cris creates a mess at a party and ends up causing a fight. She also meets Joana, a new high school student, and the two girls end up being assigned to do an assignment together.
Cris goes on a date with Ruben, having a debt with him, while she's not sure about doing the school's assignment with Joana. Nora talks to Alejandro.
Cris stalks Joana and feels like an idiot after seeing her in photos with Eloy. Overwhelmed, she gives up looking for her in school and skips class. Viri suspects that there could be something between Nora and Alejandro. Nora insists that it's just a game.
Easter break arrives. Eva, Lucas and Cris go out for Chueca and a girl flirts with Cris. Cris gets embarrassed and doesn't react well. Dani pressures Cris to text Rubén back.
Cris is eccentric after her kiss with Joana, even though she flaked on Amira again. Cris thinks she will be angry, but instead America is upset: she thinks that Cris isn't telling her anything anymore because of her religion.
Cris's family leaves for the long weekend. Cris doesn't feel like going. `Even though she loves long weekend breaks, she can't stop thinking about how Lucas was punched. Is that the life that awaits her if she comes out?
Cris doesn't know what to do when Joana disappears: she realizes that she's in love with someone she doesn't even know. She decides to text Eloy, Joana's ex. She then starts getting texts off people from school asking if she is a lesbian or not.
Joana overwhelms Cris by constantly asking her to meet up, but Cris keeps flaking: she's afraid to confront Joana after her confession. She doesn't think she's able to be with someone with BPD (Borderline Personality Disorder).
The party was a disaster, but at least there's some new gossip: what's going on between Eva and Cristian? Eva insists they're just friends, they hook up sometimes and that's all. Nora and Cris find Viri's phone and they give it back to her at her house.
Viri faints because of the stress of exams and Cris takes care of her. Even though Viri assures her that it was low blood pressure, the girls suspect that it's something else. Cris is distraught after her breakup with Joana.