The story of how a 500 franc note destroys a man's life. Two young teenagers pass the forged banknote on onto an unwitting camera shop clerk. The shop manager, knowing full well the note is useless, passes it on to Yvon Targe, a fuel delivery man. Yvon has to cover the loss and the need for money soon sees him turning to crime. After being sentenced to 3 years in jail for assisting others in a bank robbery, his wife Elise leaves him and bad behavior soon has him in solitary confinement. On his release, Yvon turns to murder.
—garykmcd