A government agent investigates a ring that is smuggling Chinese aliens across the border from Mexico. His investigation takes him to the Grand Canyon. He finds a dazed girl wandering around who has become separated from her companions and is lost. He and the girl are soon found by her companions - the smuggling ring!
as Grant Newbury
as Jim Frazer (as J. Farrel MacDonald)
as Estelle Halloway - his ward
as Andrew Bates (as Sidney Jordan)
as Victor Castle
as Marguerite Castle
as Pasquale - Henchman (uncredited)
as Patterson - Henchman (uncredited)
as Man Who Starts Saloon Fight (uncredited)
as Bartender (uncredited)
