Belén, a young nurse, wakes up after being attacked. She is accused of ending the life of a child after giving him medicine. But she claims she injected the right medication and that she can prove it.

Protective parents, Javi and Rosa, feel compelled to tell their 10-year-old daughter that she is adopted when she starts asking questions. They debate whether they should tell her, and question their legitimacy as parents.

Twin brothers have been estranged for years without knowing about each other's lives. They meet again and face each other in a final duel to try to resolve the deception that separated them and caused the destruction of their family and death of their father, a prestigious chess master. Fenix, a former world chess champion, defeated by a fraud committed in his past, lives trapped in dishonor and guilt. Hector, also a chess master, remains kidnapped by anger and the need for revenge. When they meet again, they are forced to fight a duel in a definitive game of chess.

Berta, a mature woman from the upper class, has been hiring the services of Alberto, a professional escort, for some time. One day, Alberto can't make it, so he sends another escort, Hugo, a much younger and inexperienced guy from his neighborhood. Berta distrusts Hugo and insists he leave, but Hugo needs the money and wants to finish the job. Berta and Hugo embark on an emotional journey and, despite their differences, mistrust, and prejudices, discover they have more in common than they thought.