Commissioner Leon (Miguel Angel Landa) of the Technical Judicial Police is assigned to the kidnapping of a child of the upper class of Caracas. The details of the kidnapping the attention of Leon, as there is no evidence of violence in the child's home, or witnesses to the abduction. Based on that Leon believes that the hijackers knew the boy and soon begins to suspect several young people from wealthy families of Caracas.
Dr. Daniel Challis and Ellie Grimbridge stumble onto a gruesome murder scheme when Ellie's novelty-salesman father, Harry, is killed while in possession of a strange mask made by the Silver Shamrock mask company.
The Soviets have developed a revolutionary new jet fighter, called "Firefox". Naturally, the British are worried that the jet will be used as a first-strike weapon, as rumours say that the jet is indetectable on radar.