Paul Braconnier and his wife Blandine only have one thing in mind: to find a way to kill each other without risk. After listening to a radio show, Paul decides…

To try solving the strange disappearances of 11 young Parisian women, the police obtain the services of Adrienne Charpentier, friend of the latest missing person.

An employee at a jewelry store falls in love with a woman who secretly plans to rob the store.