Feature-length spin-off of the hit Sixties and Seventies television series. Former secret agent David Callan (Edward Woodward) was forced to retire in disgrace after losing his nerve. He is now offered a chance of redemption by former boss Hunter (Eric Porter) if he assassinates Schneider, a German businessman-cum-gun runner and terrorist. Callan takes the job, but soon has doubts regarding the true reasons for Schneider's elimination. A twenty-minute interview with Edward Woodward is also included.