John Drake is assigned to investigate the murder of a banker, Frank Delroy. The trail leads Drake to the home of Delroy's lady friend, a small seaside resort (Portmeirion) where he recovers five million dollars and solves the murder of Delroy.

John Drake flies to Paris, where his assignment is to find an international killer. He refuses to assassinate the man, but undertakes to retrieve him. The task becomes more difficult when Drake finds himself handcuffed to a young woman, Lisa Orin.

A blind young woman, Josetta, is the only one who can identify her brother's killer. John Drake has the task of helping her to find and identify the killer.

John Drake flies to the Arabian desert to investigate stories of slavery and finds himself befriending a Muslim lad and helping a stranded showgirl who believes Drake to be a slave broker.

At the request of an old enemy, Drake takes charge of security as the President of Boravia and his wife visit London.

When a dazed girl is found wandering along a country lane, dressed only in her pajamas, Drake discovers a plot to assassinate a Balkan President.

When Drake is shown a photograph of a young girl who is the victim of drugs, he sets out for the Middle East to break up the ring supplying opium. He is aided by an American agent, Sandi Lewis. Together they trace the source of the drugs, with the help of a courageous little man.

When the daughter of a wealthy industrialist is kidnapped, Drake impersonates her crippled father in an attempt to save her without having to hand over crucial designs.

John Drake has to impersonate a prisoner who has just been released after serving a sentence for bombings. His assignment is to infiltrate a group of IRA commandos.

Drake flies to a small Caribbean State to investigate the apparent suicide of an American economics expert, he uncovers a plot to obtain large sums of money, and in return he nearly loses his life.

When someone is leaking information from the American Embassy in Vienna, Drake is called in to investigate when the finger of guilt points to the Ambassador.

When a young, beautiful refugee pleads for political asylum, Drake is called in to investigate by his superior, Hardy. When the girl's sister arrives, Drake has a double problem to solve.

Drake's assignment is to find a double for James Carpenter, an American who is confined to the US Embassy in a Caribbean city. Finding the double is only half of the problem. Substituting him under the eyes of the police is the other.

Drake travels to Kashmir in Northern India to seek out Noel Goddard, a former executive in the Indian Government, now a traitor. On identifying Drake, Goddard is given the message: 'John Drake. NATO agent. Eliminate.'

John Drake flies to the Caribbean to aid an American journalist who had been arrested on a spy charge, but before he can effect a rescue is accused of the murder of a young nightclub singer.

John Drake is flying back to the mainland with two prisoners, when his plane crashes in the sea, near a tiny island. On reaching the island Drake finds himself a wanted man as the island's hermit owner believes Drake is an escaped prisoner.

Hardy assigns Drake to fly to the Middle East to find Vanessa Stewart, a beautiful girl wanted for espionage. Posing as a Baltic agent, Drake persuades her to accompany him before the British find her. A subplot comments drily on the ethics of espionage.

Drake is assigned to investigate the murder of a young G.I. in Munich. He was last seen in the company of a young German girl, Vicki. Was she involved in the plot? Drake, posing as an American soldier, must find the answer.

When several prominent people are killed, there appears to be no connection. But John Drake's investigations uncover a murder ring, which he hires to kill himself.

While vacationing on the Riviera, John Drake recognises a professional assassin. He succeeds in replacing the killer and undertakes an assignment working in the dark, as he has no idea who his victim is.

John Drake's assignment takes him to a small island off the coast of Brittany. He must protect Lady Lindsay, widow of a British diplomat, and her two young sons, from two killers.

When a Chinese businessman is murdered, a young couple on honeymoon become the prime suspects. John Drake flies out to the Far East to assist them, and finds himself in a dangerous situation.

John Drake travels to the Scottish Highlands when the fingerprints of a stolen car belong to a master spy believed to have been killed ten years earlier.

Drake's latest case is to unravel a security leak. The suspect is Ruth Mitchell, an interpreter; but as Drake later discovers, the girl has been used without her knowledge.

A plane crashes off the coast of Sicily and a diplomatic satchel is taken by mountain bandits. John Drake's task is to recover the stolen property, for which he enlists the aid of one bandit's girlfriend.