An insurance investigator tumbles onto a series of similar deaths, by brain hemorrhage, of patients of a psychiatric clinic in France where therapy involves a device which can implant visual imagery in the minds of patients, ostensibly to help them relax.

Strangers conversing in a train compartment, revive wartime memories for one passenger.

James Prothero, forty-three years old and up to his ears in alcohol, is the skipper of a tramp ship due to leave South America for Britain – and he’s sick to death of carting goods back and forth across the world. Then he meets Manuela, a beautiful native girl smuggled on board by one of his crew, and comes to realise that she, too, is a lost soul. Gradually a love affair develops between them, and Prothero becomes dangerously blind to the responsibilities of his position.

Bertrand, an accountant employed by a large London firm, is called to the office of the Managing Director, Dreuther, to explain a mistake in the accounts. Dreuther is highly impressed by the young accountant's skilful explanation of the error and, hearing that Bertrand is soon to marry his spirited young fiancée, tells him to spend the honeymoon not in Bournemouth, but Monte Carlo at the company s expense! However, events in the fabulous Mediterranean paradise do not work out quite as Bertrand had envisaged...

Kicked out of Oxford, a junk dealer's son joins a gang of thieves fenced by his father.

A married couple both face temptations while separated for a few days. The husband meets an attractive female fellow traveler in Paris while the wife accidentally spends a night aboard a Royal Navy ship with a male friend after she is stranded following a party. Despite knowing the essential innocence of both husband and wife, their sinister new butler uses information about their discretions to demand blackmail payments.

Small-time jewel thief Leo Martin is deserted by his partners-in-crime, club owner Gus Loman and driver Hatchett, when the robbery they are committing goes wrong. After serving his prison sentence, Leo emerges with an intricate plan for revenge. Leo implicates Loman, as well as his amoral boss, Gregory Lang, for murder -- but Inspector Rogers suspects Leo.