After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.

Brothers Beau, John and Digby Geste join the Foreign Legion, where they fall under the rule of tyrannical Sergeant Markoff. Beau and John are assigned to Fort Zinderneuf, where Markoff tries to break their spirit, aware of a dark family secret concerning a fabulous jewel one of them carries. As tensions rise, Arabs attack the fort and rivalries must be thrown aside in a desperate battle for life.

An American pilot impulsively joins His Majesty's Royal Air Force in Britain in an attempt to impress his ex-girlfriend.

The descendent of a ghost imprisoned for cowardice hopes to free the spirit by displaying courage when under duress.

Paramount's first all-talking picture, Interference was dismally directed by Roy Pomeroy, whose lofty status as the studio's "technical wizard" did not necessarily qualify him to be a director. Evelyn Brent heads the cast as scheming Deborah Kane, who sets out to blackmail Faith Marley (Doris Kenyon), the above-reproach wife of Sir John Marlay.

A London barrister's marriage is under strain after his affair with a shopgirl who is out to have him. The story is told in flashback.

An American ship is wrecked off the coast of the Dutch East Indies, and little Faith Fitzhugh and her mother have washed ashore on a rocky island that supports only a lighthouse. Faith's mother lives only long enough to inform the three Dutch lighthouse keepers that her daughter is the heiress to a large fortune. Years pass and Faith grows to womanhood. Jacob Kroon and his son, Piet, then conspire to marry Faith to Piet's idiot son, Hans, in order to bring her fortune into the family. Dick Wayne, a sailor on an American cruiser that is repairing a damaged cable in the waters of the lighthouse, learns of Faith's captivity and comes to her rescue. Piet kills Jacob in a fit of jealousy, and Dick then kills Piet in a fight. Hans sets the lighthouse on fire and incinerates himself. Dick and Faith make it back to the cruiser.

A young Londoner disguises herself to become governess of the son of the barrister she loves.

Two rival seamen fight for both a promotion to a captaincy in their shipping line and the attentions of a Havana saloon singer. Sparks fly as they both try to out do each other in obtaining what they know their opposite is after. In the end they will need to work together in order to save the day.