Georgia Garrett is sent by jealous wife Elvira Kent on an ocean cruise to masquerade as herself while she secretly stays home to catch her husband cheating. Meanwhile equally suspicious husband Michael Kent has sent a private eye on the same cruise to catch his wife cheating. Love and confusion ensues along with plenty of musical numbers.

Abigail Chandler has written her stuffy Boston relatives that she's a successful opera singer in New York. In reality, she works at a burlesque house and is billed as High-C Susie. When her sister Martha comes for a visit, Abigail tries to hide the truth from her.

A rough and tumble man of the sea falls for a meek librarian.

A Martinique charter boat skipper gets mixed up with the underground French resistance operatives during WWII.

In Nazi Germany in 1936 seven men escape from a concentration camp. The camp commander puts up seven crosses and, as the Gestapo returns each escapee he is put to death on a cross. The seventh cross is still empty as George Heisler seeks freedom in Holland.

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.