Diego wants to separate from his wife, Lucia, but he doesn't know how to tell her. He's fed up with her neuroses and constant complaints about him, and he's long since lost the spark that made him fall in love. Unable to say it to her face, he turns to Cuervo Flores, a famous seducer "from the old days" who will try to make Lucia fall in love so that she is the one who ends her marriage.