A planet is discovered in the same orbit as Earth's but is located on the exact opposite side of the sun, making it not visible from Earth. The European Space Exploration Council decide to send American astronaut Glenn Ross and British scientist John Kane via spaceship to explore the other planet.

The police discover trace the perpetrators of a bank robbery to a group of organized criminals. The criminals attempt to use the sister of a deceased gang member to infiltrate the cops, but when she learns the gang was responsible for her brothers' death, she turns coat and assists the police in foiling the gang's plans.

A black revolutionary group kidnaps a couple of young white women in a southern African state in the 1970s. They ask for a specific female reporter to interview them. She arrives and decides to stay with them until the girls are released.

When a group of terrorists hold tourists hostage in the Kariba Dam, Captain Caprivi and his team must perform heroic deeds in order to save them.

The South African businessman David Swansey is delivering illegal German helicopters to Rhodesia. That makes the patriot Gideon Marunga an angry man.

Michael Cardiff is a professional revolutionary highly trained in a variety of techniques of assassination, infiltration and evading law enforcement. After escaping from prison he places identification items on a decomposed body to make him appear dead as he plans his revenge against the government. Cardiff uses his skills to murder a prominent judge making his death look like an accident in order to plant an improvised explosive device at his funeral attended by the movers and shakers of the regime. Only one non conformist police captain is on to his plans.

This is the story of the lovely Kate Swallow and the loves of her life. At the start she is with Alec Bolton, a noted author, who discourages her when she wants to write a novel. Later she is swept off her feet by Alecs publisher, Vanni Corso, and leaves Alec for Vanni. She writes another novel and Vanni tells her he doesn't think the book will sell. Both of their actions are an indication of their vanity and fear of losing her.

Head of company security, Harry Webb, fears that a diamond theft is about to take place at their major mining complex deep in the desert. He quickly manages to become very unpopular, particularly with Claire Chambers, a celebrated cover girl, daughter of the mine administrator. She is visiting the man she loves, Mike Bradley, who is responsible for security at the mine. Nelson, the mine administrator, gives Bradley a curious mission - to steal a diamond. He wants to implicate Bradley in order to bring him into contact with a certain Lewis who is preparing to rob the mine with the aid of a group of mercanaries and a local accessory known as Father Christmas. Webb, not being informed of the deceit, relentlessly pursues Bradley, who is contacted by Lewis. With the mercanaries in the process of penetrating the mine. Bradley reveals himself to be Father Christmas, the organiser of the entire operation...

Third and last entry of the Capt. Nick Jansen trilogy. This time Jansen is a member of the dog squad who fights a gang of drug dealers led by Rolly and Marko. After a raid on a night club he picks up Steve, the little brother of his girlfriend Pat Jackson, who has been given drugs by Marko.

Half-brothers Stefane and Antony despise their biological father, callous millionaire Charles Calvert. Because Charles refuses to share his wealth with his sons, Stefane and Antony ask hip American thrill-seeker Duffy to help steal the money they believe is their birthright. When Charles decides to move a large portion of his savings from Morocco to France, Duffy has an opportunity to stage a daring burglary attempt at sea.