A crackdown on drugs leads a burned out cop to take the law into his own hands and seek revenge against villainous drug dealers. Word comes down from above that the United States feels French authorities have been lax on their arrests of the dealers. A violent action feature finds the harried inspector battling his colleagues as much as the criminal element targeted for extermination.

OSS 117 is asked for help by a female acquaintance Muriel Rousset. She beseeches him to retrieve secret documents which have been stolen from Sir Anthony Lead, the father of Anita and Marion. He complies with her wish and no obstacle or danger can hinder him from meeting her expectations.