Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

Charley falls for both a mother and her daughter.

A mobster's daughter leads her boyfriend from the circus into bootlegging.

Andre and Colette Bertier are happily married. When Colette introduces her husband to her flirtatious best friend, Mitzi, he does his best to resist her advances. But she is persistent, and very cute, and he succumbs. Mitzi's husband wants to divorce her, and has been having her tailed. Andre gets caught, and must confess to his wife. But Colette has had problems resisting the attentions of another man herself, and they forgive each other.

Working-class girl dreams of living a better life and forsakes her friends when she has a chance to break into high society.

Linda Gault is a luxury loving wife who casually seduces other men while getting investment tips from one of her lovers.

A criminal fleeing a bank robbery has a chance encounter with a banker and his wife and takes a locket with both their pictures in it as a remembrance of the wife's stunning beauty. After enlisting for WWI to escape prosecution, his face is disfigured in combat, and plastic surgeons mistakenly give him the banker's face. As the banker is conveniently MIA, it gives the criminal the opportunity to plan a bank heist from the inside and also to get closer to the banker's wife.

Part of a gold shipment has been stolen and the Sergeant suspects Louis LeBey. When Louis is attracted to newly arrived Nedra Ruskin, Woolie-Woolie becomes jealous and tells the Sergeant where Louis hid the gold. First Louis rescues the Sergeant whose dog team crashes chasing him and then he saves Nedra from an avalanche. When he returns the injured Nedra to the settlement, the Sergeant takes him prisoner.

The popular Caucasian-looking son (Richard Barthelmess) of a wealthy Chinese businessman lives away from his widowed father and passes as white, but experiences prejudice, rejection, insult, and heartache when the socialite (Constance Bennett) he loves learns of his heritage.

An entertainer impersonates a look-alike banker, causing comic confusion for wife and girlfriend.