Dr. Herbert Lee, an archaeologist seeking to decipher ancient Mara inscriptions, is aided by his son Terry, Terry's pal Pat Ryan, and Normandie Drake. Jungle pirate and warlord Fang (Dick Curtis) plots to kill The Dragon Lady, Queen of the Temple of Mara, and seize the treasures of her ancestors. Both Fang and The Dragon Lady have sworn death for any foreign intruders.
In this newspaper drama, a female reporter and a newsreel cameraman are both assigned to cover the Sino-Japanese war. They meet on the boat ride over and decide to team up. They are further assisted by a Chinese cameraman. The three of them manage to expose of spy ring operating out of the Shanghai office of the woman's newspaper.
Ferdinand de Lesseps, disappointed in love, is sent as a junior diplomat to the Isthmus of Suez, and realizes it's just the place for a canal.
Dishonorably discharged from the U.S. Marines after starting a barroom brawl that gets his leatherneck buddy "Tubby" Waters killed, hothead "Woody" Davis infiltrates a gang of Shanghai gunrunners to bring the culprit to justice.
An eccentric, wealthy spinster, 'Queenie' Baxter is erroneously presumed to be kidnapped. She subsequently pretends to indeed be kidnapped, , in order to allow a reward of $50,000 to benefit an impecunious family headed by Tony Orsatti and his three sons, Blackie, Doc and Flash.
Fresh from Chinatown in New York, Harry Young has taken over the illegal import business in the seamy Limehouse district of London, where he cold-bloodedly disposes of rivals and runs a smoky nightclub. He falls for a low-class, white pickpocket, diminishing his pride in the Chinese half of his heritage and sparking the jealousy of the nightclub's moody star performer.