American Steve Kendall, a freighter's radio officer, discovers seaman Carlson sending an unauthorized message ashore as the ship approaches his war-poised homeland. Carlson is shot in cold blood when he jumps ship and Kendall, implicated in the espionage, swims ashore to avoid arrest. A woman he meets at the dock hides him in her apartment, where he learns Carlson was her brother, and they both work in a sabotage ring. Nedra is a singer at Tio's Cafe, and she approaches Tio for help when both the saboteurs and the secret police try to capture Steve.

An imprisoned gunfighter must scatter to elude the authorities. Outlaws Bob Ford and Vic Rodell are nabbed, but the governor offers them amnesty in exchange for their help in bringing Jesse and his brother Frank to justice.

Shipping magnate Cyrus Wentworth, downcast over a disaster to his ocean liner 'Wentworth Castle' (carrying, oddly enough, an illicit shipment of Chinese bonds) is shot in his office at the very moment of kicking out his daughter's fiance Dick Fleming. Of course, Captain Street arrests Dick, but reporter Bobbie Logan, the attractive thorn in Street's side, is so convinced he's wrong that she enlists the help of detective James Lee Wong to find the real killer.

Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.

American arms dealer Kennedy hopes to make a killing by selling to the "regulares" in the 1916 Mexican revolution. American mercenary Wilson favors the rebel faction headed by Escobar, and they plot to hijack Kennedy's arms; but Wilson also has his eye on Kennedy's wife. Raids, counter-raids, and escapes follow in a veritable hail of bullets.

A man goes to a loan shark to finance his family's vacation.

Three kingdoms have been overtaken by three evil lords and only Tyor, a teenage boy with magical powers, can restore peace to the land with the help of a bumbling elder, wizard and a hero in each kingdom. Tyor fights alongside them and eventually becomes a powerful wizard in his own right.

Sassy manicurist Eve Fallon is recruited as an even more brassy reporter and she helps police detective boyfriend Danny Barr break a jewel theft ring and solve the murder of a baby.