A wealthy man comes to Buenos Aires to avenge the death of his young brother. He starts a relation with a suggestive blonde singer from a nightclub run by a mafia boss. One of the musical numbers is made by Michelle, a well-known American transvestite and is the first appearance of a transvestite in an Argentine film, something daring for the time.

Italian mondo featuring scenes of night life in North and South America, including Las Vegas, New Orleans, San Francisco, Buenos Aires and Rio de Janeiro.