A treasury agent becomes obsessed with exposing an international drug ring.

Shanghai, China. The last expatriate Westerners still living in the city are imprisoned in a hotel by the communist authorities in order to find the spy hiding among them.

Grant hides stolen money in the luggage of Bonnie Shea who is moving west. Later when he and his men arrive to retrieve the money, they also kidnap Bonnie. This sends Reasonin' Bates and his cowhands on their horses after the gangsters in their cars.

A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

After the war, Matt Gordon returns to Singapore to retrieve a fortune in smuggled pearls. Arrived, he reminisces in flashback about his prewar fiancée, alluring Linda, and her disappearance during the Japanese attack. But now Linda resurfaces...with amnesia and married to rich planter Van Leyden. Meanwhile, sinister fence Mauribus schemes to get Matt's pearls.

Society heiress Joan Bradford rebels against her mother's choice of a future husband by masquerading as a working class girl and dating a window washer.

Captain Alan Gaskell sails the perilous waters between Hong Kong and Singapore with a secret cargo: a fortune in British gold. That's not the only risky cargo he carries; both his fiery mistress and his refined fiancee are aboard!

Neale and Pedro fly cargo between Chungking and Calcutta. When their buddy Bill is murdered they investigate. Neale meets Bill's fiancée Virginia and becomes suspicious of a deeper plot while also falling for her charms.

Shanghai nightclub singer Jean falls in love to a sailor, but after his ship left Shanghai, he is of the opinion that he cannot support her in the States, so he writes her in a letter, that he will not see her again, but two practical jokers intercept it and write another with an opposite content. Jean comes to the states, but her sailor doesn't acknowledge her, but the two don't give up trying to bring Jean and sailor back together.

The Skipper is a charming old man loved by all his neighbors. What they don't know is that he is also Mr. 880, an amateurish counterfeiter who has amazingly managed to elude the Secret Service for 20 years.