Andrés, who lives with his grandmother in a decadent mansion, decides to become a dog in order to overcome his moral prejudices so that he can commit a horrible act.

Lorenzo is a handsome, intelligent, charming, elegant and liberal man. All he asks for is total devotion. And Margarita, foolishly, falls in love with him…

A young woman, fan of a leading actor, sneaks into a film set and pretends to be the main actress.