A French reporter working on a steamy story about the secret strip joints found in London's Soho district becomes involved in the lives of the owner and star of a famous club.

Michel Piccoli plays a police inspector whose best friend is murdered on the orders of gang boss Charles Vanel. The inspector knows full well that Vanel is too crafty and well-connected to ever stand trial for his crime, so he carefully lays a subtle trap for his adversary. Unfortunately, both Piccoli and Vanel are thwarted by a pair of scheming females.

A dead musician’s widow seeks revenge against the gun trafficker who betrayed them.

OSS 117 is asked for help by a female acquaintance Muriel Rousset. She beseeches him to retrieve secret documents which have been stolen from Sir Anthony Lead, the father of Anita and Marion. He complies with her wish and no obstacle or danger can hinder him from meeting her expectations.