In Shanghai, an American girl who helps runs an 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.
as Cassie Cook / Lucille Preston
as Capt. Arthur Davis
as Jules Repin
as Rose Li
as Murphy
as Madame Polly Voo
as Molly Norton
as Dr. Li
as Billy Hepburn
as Mrs. Hepburn
as Mr. Hepburn
as Chang Wang