Feature version of the 1940 Republic serial, about Fu Manchu's attempt to conquer Asia.

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the world. His nemesi, Dr. Nayland Smith and his associates fight to keep the evil doctor from getting his hands on the keys. In 1943 the serial was edited together into a feature movie also called Drums of Fu Manchu.

A mystery writer is intrigued by the tale of notorious criminal Dimitrios Makropolous, whose dead body was found washed up on the shore in Istanbul. He decides to follow the career of Dimitrios around Europe, in order to learn more about the man. Along the way he is joined by the mysterious Mr. Peters, who has his own motivation.

When Charlie's old friend from Scotland Yard is murdered when they attend a police convention in New York, Chan picks up the case he was working on.

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.

A fugitive in British Burma hides on a tea plantation, thanks to a mutual attraction with owner Gwen Moore.

Freshly arrived Sandhurst-trained Captain Alan King, better versed in Pashtun then any of the veterans and born locally as army brat, survives an attack on his escort to his Northwest Frontier province garrison near the Khyber pass because of Ahmed, a native Afridi deserter from the Muslim fanatic rebel Karram Khan's forces. As soon as his fellow officers learn his mother was a native Muslim which got his parents disowned even by their own families, he falls prey to stubborn prejudiced discrimination, Lieutenant Geoffrey Heath even moves out of their quarters, except from half-Irish Lt. Ben Baird.

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.

The fourth and last of the George A. Hirliman-produced films starring George O'Brien (preceded by "Daniel Boone", "Park Avenue Logger" and "Hollywood Cowboy") that were distributed by RKO Radio. Hirliman sold O'Brien's contract to RKO, which then produced 18 series westerns starring O'Brien that ended when O'Brien went into the Navy at the outbreak of WW II. Long-time (past and future) O'Brien director David Howard served as Hirliman's Associate Producer on this film. "Windjammer" finds O'Brien as a subpoena server ordered to serve a subpoena on Brandon Evans (The Commondore) for a senate inquiry or lose his job. Posing as a playboy, he boards the Commodore's yacht during a yacht race, and the yacht is wrecked by a gun-running windjammer commanded by Captain Morgan (William Hall.) All hands are picked up by the windjammer, including the Commodore's daughter (played by Constance Worth) and put to work as galley slaves.

A phony psychic tries to solve a murder that took place during her seance.