Based on the short story by Georges Simenon. Annoying Annette is bent on seducing Maurice, a handsome lawyer who has his eye on a haughty American Myriam who is running after bashful Bernard. The story takes place in hotels, prisons, and music-making apartments in Cannes.

A struggling artist buys a talisman that gives him love, fame and wealth. The talisman is a severed left hand, and it works perfectly, in fact, magically. But of course there is nothing free in this world, and after one year the devil comes and asks for his due.