This is a standard cops-and-robbers caper with a slight twist: the good cops are robbing the drug-dealing robbers. Bernard Giraudeau is Paul Brandon, an undercover, daredevil cop, and Gerard Lanvin is Stephane Carella, the man Paul has to spring from jail to help in a grand larceny of a crooked Nice casino run by a mob boss -- the intent is to start a gang war and weaken the drug cartels. While Stephane and the undercover Paul are being transported in a police van, handcuffed together, Paul maneuvers a dangerous escape, and Stephane has no choice but to go with him. Braving cliff faces and wild plunges into fast-moving rapids, the two make it to the house of a young widow, Laura (Christiane Jean) where they plan the spectacular heist at the casino.