Newspaper reporters compete with London police to solve a murder.

After a fight, a drunk is found dead, but is the cause of death heart failure or murder?

While resisting pressure from his upper-class wife to take a higher-paying job in London, a Montreal physician prepares to carry out brain surgery on a Latin American president. They don't suspect that a trio of assassins is also waiting, for their chance to carry out a political assassination on the operating table.

Paul Banner, a "noozeman" of the Daily Comet in England, is an American working in England. He happens on a murder that leads him on a complicated trail.

Private eye Slim Callaghan is summoned to the country home of a Colonel Stenhurst, but the latter is murdered before he can talk to the detective. Was one of the Colonel's three daughters responsible?

A British physician stands trial for murdering his wife after he and his mistress are captured while fleeing to Canada.

Sensuous and desirable, Carol Forrest has always attracted the attention of men. Expert in the art of manipulation and control she married an older man, loving only his vast wealth and continued to amuse herself with indiscreet affairs. But when neighbour Mark Kendrick lets slip that her husband intends cutting her out of his will Carol concentrates all her attentions on the unsuspecting Kendrick, obtaining his help to dispose of this irritating obstacle.

A famed trumpet player is suspected of murdering a blues singer. Using only two minor clues, he narrows the suspects to four people, but only after surviving poison placed on the mouthpiece of his trumpet!

A man pays a hitman to kill him. Circumstances change and he tries to call off the hit but he has trouble getting the deal killed.

Someone knocked out a man and left him for dead during a fishing trip in Portugal. That someone is either his fetching wife, or two business partners, all sporting guilty faces after his unexpected return. Two more murders and a frame-up befall the quartet before an inspector closes the case.

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.