Coup de torchon (Clean Slate)

Hapless Lucien Cordier (Philippe Noiret) is the beleaguered police chief of a small town in French colonial Senegal. The local criminals openly mock Lucien's inability to put a stop to their illegal enterprises, and his unfaithful and shrewish wife Huguette (Stéphane Audran) is having a blatant affair with Nono (Eddy Mitchell), whom Lucien believes is her brother. When the humiliations finally become too much for him to bear, Lucien takes matters into his own hands.