Baum/Dantine Productions

Having spent 10 years in prison for nationalist activities, Shack Twala is finally ordered released by the South African Supreme Court but he finds himself almost immediately on the run after a run-in with the police. Assisted by his lawyer Rina Van Niekirk and visiting British engineer Jim Keogh, he heads for Capetown where he hopes to recover a stash of diamonds, meant to finance revolutionary activities, that he had entrusted to a dentist before his incarceration. Along the way, they are followed by Major Horn of the South African State security bureau and it becomes apparent that he has no intention of arresting them until they reach their final destination

Mike Locken is one of the principal members of a group of freelance spies. A significant portion of their work is for the CIA, and while on a case for them one of his friends turns on him and shoots him in the elbow and knee. His assignment, to protect someone, goes down in flames. He is nearly crippled, but with braces is able to again become mobile. For revenge as much as anything else, Mike goes after his ex-friend.