Traición tells the story of a family complicated relationships that owns a law firm, made up of parents who govern the company with an iron fist; Don Julio Fuentes (75) and Doña Pilar (66), and four children, until now always obedient and apparently well-matched; Almudena (45), Roberto (40), Isabel (35) and Claudia (30).

The problems are triggered when Don Julio gathers his entire family to tell them that he has a terminal illness and is about to die. This disease has made you reconsider about life and make several decisions that your family does not agree with. The news feel like a jug of cold water to their children who see how their world begins to be destroyed. The apparently perfect family begins to crack.