When Paula leaves her mate Pedro, he misses her and looks for comfort with his best friends, Javier and Sonia. Paula is having an affair with Javier. Pedro tries to find who is the secret lover of Paula, and hires a private eye. Meanwhile, while comforting Pedro, Sonia has a one night stand with him and Javier thinks she is cheating on him with her lesbian friend Luzia.

Three years have passed and the boys seem to have matured. Javier is going to marry Marta and Pedro is very much in love with his new girlfriend Raquel. Rafa has also found happiness with Pilar, who loves him too and treats him in a very particular way. It can seem that everything is perfect in their lives. But what do the girls think? Marta and Raquel have different plans that will put their relationship with their boyfriends in danger. Even Pilar has got a lover and is being unfaithful to Rafa. But that's not all: a new woman, Carlota, appears in Javier and Pedro's lives

After decades without seeing each other, Javier and Carlota are furious when they discover that their children are planning to get married. Who at their age has a heteronormative and exclusive relationship in 2025 with all they have left to experience? Have they been taught nothing as parents?