Free-lance undercover agent Coplan receives a phone call from an old girlfriend in Turkey. The panic-stricken woman gives sketchy details of a plot that threatens world security. When Coplan arrives, he is told the woman has been killed, and the trail of the murderer leads to her mad-scientist brother.

Cast:Claudio Brook, Margaret Lee, Klaus Kinski, Jean Servais, Jean Topart, Bernard Blier,

Genre:Crime, Action,

country:France, Italy,

Production:Comptoir Français du Film Production, Cinesecolo,