Pierre Juvenet

Huguette Duflos plays a scientist's daughter, who is targeted for a murder by an unknown assailant. When the police prove unable to protect the heroine, wisecracking reporter Roland Toutain assumes the responsibility. (allmovie.com)

Film based on the detective thrilling novel by Léo Malet.

A gangster,Saget, who has stolen a lot of money, takes refuge in his hometown.There he meets a strange doctor who seems to know too many things about him and begins to blackmail him :much to the outlaw's surprise, he asks for a radiotherapy center to relieve the children's sufferings.He wants to help the whole town where lives Isabelle,"the hanged man 's daughter".She's been an outcast since.Her reason to live is not to get back to happiness but to make sure the others will not be happy.