Unable to pay his bookie, a man returns to his hometown where his embezzler brother and girlfriend plot a robbery that ends in tragedy.

Several murders of nuclear scientists, that baffles Scotland Yard, occur in London around the same time that Bill Locklin, a special officer from the United States State Department, arrives to oversee the transfer of Professor Leon Dushenko, a Russian scientist who has fled the USSR. An attempt on Dushenko's life is made with a monkey's paw-print found at the scene.

A Merchant Navy hero of the Korean War returns to England after three years of captivity in Communist hands, his mind confused by brain-washing and indoctrination at the hands of his captors, and accepts a post as an instructor at the Outward Bound Sea School.

A man and a woman are poisoned. The woman dies, but the man survives. The finger of blame begins to point at the man. A policeman and a newspaper journalist pursue the truth.

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.

A man who served prison time for intent to molest a child tries to build a new life with the help of a sympathetic psychiatrist.

When the union in his factory walks out on strike, a family man refuses to participate, risking the wrath — and retaliation — of his fellow workers.

A scientist working with genetics creates a horrifying flying creature that feeds on human blood. Following a gruesome trail of dead bodies, Scotland Yard investigators must scramble to halt its ravenous rampage.

Defiant's crew is part of a fleet-wide movement to present a petition of grievances to the Admiralty. Violence must be no part of it. The continual sadism of Defiant's first officer makes this difficult, and when the captain is disabled, the chance for violence increases.

A British psychiatrist reads an amnesiac's (Maxwell Reed) brain waves and sees the mind of a killer.