A drama that revolves around the speculations made by a widow woman taking advantage of the sympathies aroused by one of her three unmarried daughters.
Juan Pérez is a waiter in a luxurious place where the bachelor party of a man who is going to get married for convenience is done. When a dancer and singer with whom he was entangled, chases him, he uses Perez to get rid of her.
A Young man from a wealthy family hide them his attraction for tango culture of arrabal. In a milonga he fell in love with Mirella and he have a knife fight with all others guapos that want her, he won. Time pass and Mirella became a mistress but this situation is unstable because of the society prejudices.
A delinquent, the son of a police commissioner, leaves prison to seduce someone who should be like a sister to him: a girl raised and loved by his parents. To force her to give in to his obsession, he kidnaps her little daughter.