Mauro is your typical deep-heart Mexican man, a merrymaker always ready to sing a song and turn difficulties into a laugh. He's married, has a friend named Hilario, and a girlfriend named Rita, and a girlfriend named Carmen, and a girlfriend named Petra, and other unnamed girlfriends. His life was already troubled with jealous girlfriends fighting each other, when one of his lovers decides to kidnap his baby child from the cradle, to kill him. All turns to the good, in the end.

A man is murdered. His father tracks the killer, hoping to get revenge before the police capture him. What happened to cause his son's death is gradually revealed.