From the Universal synopsis: Retired Inspector Blake of Scotland Yard learns that Lord Blanton has acquired the sacred "Love Ring"---a cursed jewel that has brought grief to its previous owners. Prince Darius seeks to obtain the ring, and the mummy of a princess of an ancient country to return them to his homeland. Blake and his servant, Jarvis, find a card---The Queen of Diamonds---which is the mark of the most dangerous woman in the underworld. Mary Duveen , the Blanton housekeeper, is really the Queen, disguising herself as a spectacularly ugly crone. Darius comes to believe that Lady Diana Blanton, Lord Blanton`s daughter, is the reincarnation of Princess Xah Fari, and sets his sights on her also. His hypnotic influence soon has the girl experiencing dreams of a vanished civilization. Mary acquires the ring and Jarvis recovers it and Mary steals it back and plants it on Lady Di, and then lures her to a Limehouse den but Blake and Jarvis follow and rescue her and the ring.

Inspector Cork pursues a bank robber who serves in the army and receives facial injuries. After plastic surgery he shows up as a bank president planning an enormous robbery.

Sir James Blake has retired from Scotland Yard so that he can assist his niece Hope and her friend Jerry in developing an apparatus they have invented. Sir James thinks that their invention has the potential to prevent wars, and plans to donate it to the League of Nations. But a gang of criminals led by the elusive "Scorpion" steals the device, and Blake and his associates must recover the invention and determine the identity of the "Scorpion".

In 1918, when Germany lost the war, it blamed its defeat on the efficiency of Room 40, in the Old Building of the British Admiralty---the room in which German wireless message were intercepted and decoded. German then decided to train a clever spy who would be solidly entrenched in Room 40, whenever the next war came. In 1939 John Usher (Edgar Barrier)is acknowledged the genius of Room 40. His fiancée, Sudan Ainger (Stephanie Bachelor)is also working in Room 40. John's ten-year-old son, David (Bobby Cooper),at school in Switzerland is called home. The night before DAvid arrives home, John is murdered, but his twin brother Robert (Edgar Barrier),impersonates John and continues his work. Only Sir Christopher (C. Aubrey Smith)and David know of the plan. The safety of six high-ranking British officers who are taking a plane to Warsaw, depends on decoding Nazi messages.But the Nazis switch codes and solution seems impossible.

暂无剧情简介

A doctor uses his unique medical knowledge to mastermind a lucrative life-insurance scam; in a rare film role, legendary thespian Gerald du Maurier stars as the Metropolitan Police Commissioner who sets out to uncover the secret of five empty coffins and catch the villainous swine responsible for such depravities.

Colonel March of The Department of Queer Complaints investigates unusual cases, locked-room murders, and mysteries concerning the supernatural.

A London curator loses the Mona Lisa to a collector, who discovers it's a fake.

1971 NBC documentary by Frank Cvitanovich profiling the various elements of the Metropolitan Police, from the Black Museum to modern riots, to anti-paedophile campaigns.

An eccentric woman detective investigates the murders of several people who visited the same medium.