Jean Faran has the misfortune to run over with his car a young woman named Micaela. Once recovered from the fright, she invites him to her house to have a few drinks.

A journalist and a police commissioner join forces to smash a white slavery network operating in the Middle East. The cabaret run by Clovis where Dalida sings is quickly spotted, as is a marriage agency run by Madame Irma, offering semblance of guarantees. Clues without proof. The journalist's fiancée agrees to play the game set up by the superintendent. The network is dismantled.