Detective Inspector Campbell (Gordon Jackson) looks into the murder of a teacher at a girls school where there are a number of suspects, including her colleagues and the married man she had been seeing.

A British woman on a visit to post-war Berlin is caught up in an espionage ring smuggling secrets into and out of the Eastern Bloc.

Unable to recall the past 24 hours, a British bank clerk is the prime suspect for a robbery/murder.

John Cummings, an unsuccessful cosmetics salesman, has his unpaid-for car stolen by one of the hoods in the employ of Lionel Meadows, the sadistic organizer of a London car conversion racket. The car was not insured, and since the police appear indifferent to his plight, Cummings decides to find it himself -- and gets himself involved in an underworld battle.

In this crime melodrama, a Swiss woman finds herself unwittingly involved in a plot to steal from her employer, a London diamond merchant. Her boyfriend is behind the scheme. First he sends two accomplices disguised as German jewelers to see the boss. He is not fooled by their ruse and is killed while the woman is knocked unconscious. She awakens with amnesia and begins aimlessly wandering the London streets. Thinking that his girl has squealed to the police, her boy friend begins scouring the town to find her. Meanwhile, she is taken in by a boxer who returns to the ring to win the money needed to get her out of the country. Trouble ensues when her lover finally finds her after the match and begins beating on the exhausted fighter.

Dutch painter Jan-Van Rooyer hurries to keep a rendezvous with Jacqueline Cousteau, an elegant, sophisticated Frenchwoman, slightly his elder, whose relationship with him had turned from art student into one of love trysts. He arrives and is confronted by Detective Police Inspector Morgan who accuses him of having murdered Jacqueline. Morgan listens sceptically to the dazed denials of Van Rooyer as he tells the story of his relationship with the murdered woman. Morgan, after hearing the story, realizes that the mystery has deepened, and it becomes more complicated when the Assistant Commissioner, Sir Brian Lewis, explains that Jacqueline was not married but was being kept by Sir Howard Fenton, a high-ranking diplomat whose names must be kept out of the case.

A Dutch company's owner bankrupts his own company, burns the incriminating ledgers and plans to run to Paris with the company funds but he is caught in the act by his accountant who challenges his actions, leading to a reversal of roles.

A novelist wakes up with a gun in his hand and a corpse in the house he woke up in. He doesn't remember how he got there or even if he committed the killing.

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.

In the small town of Quaint, Bruce Levin (Adam Templar) owns a respectable B&B establishment. Sleeping around with various women behind his wife's back, he does not realise that his actions are soon to catch up with him in the form of a mysterious traveller, Sya (Inna Bagoli). Trying to mend relationships with his deranged mistress Veronica (Rita do Vale Capela) and wife Maria (Maribeth Dixon), he must face the wrath of their interlocking vendettas.

In Victorian era London, the inhabitants of a family home with rented rooms upstairs fear the new lodger is Jack the Ripper.

A convict sentenced to three years for killing a detective escapes and goes on the lam, aided by a local girl.