A husband and wife detective team takes on the search for a missing inventor and almost get killed for their efforts.

The fate of a city hangs upon the innocence of a girl charged with murder. A young, inexperienced, but adventurous newspaper reporter is bent on clearing her name by ripping the lid off a corrupt government machine.

The Japanese detective rounds up a league of assassins for Scotland Yard.

Eying a large inheritance, a reporter marries a rich woman with failing health. When she begins feeling healthy after the wedding, the reporter takes drastic measures to make sure his wife dies.

Sandy Vantine and her uncle, Paul Vantine, return from Europe with an antique cabinet purchased during their trip. Jim Moore, a reporter who had met Sandy and fallen for her during the voyage, suspects something odd about the cabinet. His suspicions are confirmed when people who have touched the cabinet mysteriously die. Jim and Sandy set out to solve the mystery before anyone else can become a victim.

A crime novelist devises a scheme to catch the thief who has stolen the valuable "Konjer Diamonds". Director Lew Landers' 1938 B-film stars Preston Foster, Whitney Bourne, Cecil Kellaway, Donald Meek, Samuel S. Hinds, Arthur Lake, Paul Guilfoyle and June Johnson.

In Victorian England, Florence Nightingale's heroic measures slowly change the attitude towards nurses when it was considered a disreputable profession.

A British doctor and his son's Austrian governess have an affair and are accused of killing his wife.

In the 15th century Richard Duke of Gloucester, aided by his club-footed executioner Mord, eliminates those ahead of him in succession to the throne, then occupied by his brother King Edward IV of England. As each murder is accomplished he takes particular delight in removing small figurines, each resembling one of the successors, from a throne-room dollhouse, until he alone remains. After the death of Edward he becomes Richard III, King of England, and need only defeat the exiled Henry Tudor to retain power.

Producer Bob Temple, who's brought an American show to London, loves his star Diana, but she won't take him seriously as a lover. To show her, he picks up stranger Lady Arlington, whose financier husband neglects her. On a weekend at the Arlington country house, Bob is used by both Lady A. and her friend to make their husbands jealous; this works all too well, and Bob is in danger from both husbands.