Stanley Baker's O'Donovan is sent to steal the plans of a rival company's racing car designs, to ensure his employers win the competition. However, when opening a safe containing the plans, he triggers an alarm leading to a gun battle where he kills a number of people. James Robertson Justice, alarmed by the scandal surrounding the killings, orders his agent be killed surreptitiously to hide his involvement with the plot. The film uses original footage from the Mille Miglia , an Italian open-road endurance race, featuring classic period racing cars.

A group of men from a London pub are going on a darts team outing to Boulogne. Various members of the party have different reasons for going and get involved in various adventures.

A detective gets involved with a wealthy socialite who can't seem to stop hiccuping.

Detective Scobie Malone accepts a mission to fly to London to arrest Sir James Quentin, a high-level commissioner wanted down under for murder. But when Malone arrives, he finds that the amiable Quentin is not only the key in groundbreaking peace negotiations, but also the target of an assassin himself.

In London, a diplomat accidentally becomes involved in the death of a British agent who's after a spy ring that covets British military secrets.

In wartime Italy nuns in a convent regularly smuggle Jewish children out of a nearby internment camp. The Italian army officer in charge suspects what may be going on but deliberately turns a blind eye. When the Germans take over the camp security the nuns' activities become far more dangerous.

Set against the conditions leading up to the French Revolution and the Reign of Terror, French doctor Alexandre Manette serves an 18-year imprisonment in the Bastille in Paris, followed by his release to live in London with the daughter he has never met.

After leaving the British Secret Service, David Somers finds work catalouging butterflies at the country house of Nicholas and Jess Fenton. After the murder of a local gamekeeper, suspicion falls on their niece, Sophie Malraux. Somers helps Sophie to escape arrest and they go on the run together.

An American ex-con who is trying to go straight is persuaded to be the inside man for an audacious bank job in central London.

Private eye Edward Mercer travels to Venice to locate a man due a reward for his aid in the war. Shortly after arriving, he becomes the prime suspect in the murder of his local contact. In his quest to clear his name, Mercer uncovers a conspiracy. Even the local magistrate seems to be working against him, and Mercer begins to suspect the man he came to find is behind it all.

Captain Vinka Kovalenko defects from Russia, but not for political reasons. She defects because she feels discriminated against as a woman. Captain Chuck Lockwood gets the order to show her the bright side of capitalism, while she tries to convince him of the superiority of communism. Naturally, they fall in love, but there's still the KGB, which doesn't like the idea of having a defected Russian officer running around in London.

British agent Bulldog Drummond is assigned to stop a master criminal who uses beautiful women to do his killings.

A series of unexplainable accidents befall the people and companies responsible for developing the world's first supersonic airliner. A British agent is sent to investigate and with the help of another agent uncovers a plot masterminded by Carl Petersen who stands to gain eight million pounds if the aircraft is not ready by a certain date.

A young man travels to Prague to join his new employer, unaware that he is being used as an espionage courier.