Unorthodox detective Jean Lavardin is called to a provincial French town after a prank turns deadly.

Matthias Duval is in love, but he can’t choose between the two twin sisters Betty and Liz Kerner. To pick up the two sisters, he invents his own twin brother…

Bruno is released from prison. He looks for a job and tries to start a new life. His first stop is at his father’s apartment.