Four murders in forty-eight hours happen in Nice. The murderer calls himself "The Exterminator" and the police are unable to catch him. Tom Lepski is an insurance detective and he get involved in the investigation when Liza Mendoza, a famous violinist and a friend, is killed just a few minutes before Tom visit her. After another rich woman killing, Tom finds out that all the victims were members of the exclusive Fifty Club. All of them but Lisa.

Angelique is saved by the king of the cutthroats when she is endangered in the streets of Paris. After her hero is killed, she has many amorous affairs and becomes a successful businesswoman.

1964 film by Bernard Borderie