An American girl who helps operate a Shanghai opium ring meets an American agent disguised as a mining engineer. The two fall in love, and she has to determine where her loyalties lie.
Cassie Cook / Lucille Preston
Capt. Arthur Davis
Madame Polly Voo
Jules Repin
Murphy
Molly Norton
Rose Li
Dr. Li
Billy Hepburn
Mrs. Hepburn
Mr. Hepburn
Chang Wang
Chinese Policeman
Chinese Police Officer
Chinese Girl
