Cult movie - Letto Bagnato - 1979

Chabert, inspector of an insurance company, investigates the suspicious death of a billionaire client whose wife has just touched a big bonus. The investigation revealed that the deceased was poisoned by his doctor, who is the lover of the millionaire’s wife. Unmasked, the doctor commits suicide with his mistress and Charles clear of the millionaire’s mistress who was accused of the murder.