Lulu Wong

À San Francisco, le gangster Madden renonce au crime et se retire avec sa fille Molly, après avoir reçu les préceptes d'un philosophe de Chinatown, Chang Low. Un autre gangster, Mike Sylva, amant de Molly, complote alors pour mettre sur le dos de Madden un meurtre.

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.

The happy life of an Eskimo is disastrously changed when he mingles with an unscrupulous white trader.