Roy Parmenter is an FBI agent in San Diego; 20 years ago his partner was killed by a Soviet spy, nicknamed Scuba, still at large. Scuba is now trying to extort the Soviets; to prove he's serious, he's killing their agents one by one, including "sleepers," agents under deep cover awaiting orders. Roy interviews a high school lad, Jeff Grant, an applicant to the Air Force Academy. In a routine background check, Roy discovers that Jeff's parents are sleepers. He must see if Jeff is also a spy, confront the parents yet protect them, and catch his nemesis. Meanwhile, the Soviets have sent their own spy-catcher, the loner Karpov, to reel in Scuba. Alliances shift; it's cat and mouse.
Kumar Cunningham loses his fiancee in Sri Lanka during a festival, only to discover her dead from a drugs overdose. Mad with grief, he kills the two dealers and is arrested for murder. He manages to escape and is bent on revenge.
East Germans abduct a U.S. coed (Linda Blair) and throw her in a women's prison run by a brutal inmate (Sylvia Kristel).
After a nuclear war, what is left of society creates a special police force to ensure that it doesn't happen again. However, things don't go exactly as planned.
When SAS Captain Peter Skellen is thrown out of the service for gross misconduct due to unnecessary violence and bullying, he is soon recruited by The People's Lobby, a fanatical group aiming to hold several US dignitaries hostage. But Skellen's dismissal is a front to enable him to get close to the terrorist group. Can he get close enough to stop the Lobby from creating an international incident?