In Singapore, a private detective and the British authorities are on the trail of a crime syndicate that kidnaps a nuclear physicist with the aim of selling him to the highest bidder.

Army Lieutenant Halliday, accused of stealing the Army payroll, pursues the real thief on a frantic chase through Mexico aided by the thief's ex-girlfriend and is in turn being chased by his accuser, Capt. Blake.

Private eye Jerry Church is hired by a criminal defense lawyer after five mobsters he has gotten acquitted are apparently strangled by a serial killer.

A greedy, scheming woman is found murdered in her studio, and the police find that there is no shortage of suspects who wanted to see her dead--among them a rich husband she wouldn't divorce unless he paid her a huge settlement, a lover she caused to be fired from his job and an assistant whose fiancé she tried to seduce.

Karen marries Arnold at his funeral and continues to get his money as long as she stays by his coffin. Meanwhile, various oddball relatives after Arnold's wealth are being killed in a creative variety of ways.

Two dumb soda jerks dream of writing radio mysteries. When they try to pitch an idea at a radio station, they end up in the middle of a real murder when the station owner is killed during a broadcast.

Based on the operetta I Lost My Heart in Heidelburg, which in turn owed a lot to that old chestnut The Student Prince. In 1825, impoverished composer Max enrolls at Heidelburg University. Local girl Veronika falls in love with Max, helping him to finance his education and clear his debts. Alas, Veronika is left out in the cold when Max becomes enamored with gorgeous tourist Helene. Little does he know that Helene is the daughter of the Grand Duke, meaning of course that their romance is doomed to disappointment. Leading lady Grete Natzler later changed her screen name to Della Lynd, and under that cognomen co-starred with Laurel & Hardy in Swiss Miss (1938).

A psychiatrist's patient, a nutty heiress, travels west to find gold in her grandfather's abandoned mine. The psychiatrist, unable to talk her out of it, decides to follow her out there.

The murder of a Wax Museum proprietor and some other strange goings-on in the vicinity prompt a police investigator to determine whether the killer is one of the principles who wants to own the museum or if Jack the Ripper has returned to killing after a hiatus of ten years.

1938 film by Michael Curtiz