A frightened woman is murdered in the London apartment of a well-known novelist named Henry Leroux. The police arrest Leroux's butler, but he escapes and runs off to a mysterious opium den, the lair of a drug dealer named Mister King. Gaston Max, a detective from Paris, arrives in London to investigate the drug trafficking. Although the police take down the gang, Mr. King escapes and manages to keep his true identity a secret.
Other Stoll Pictures productions on the same theme
Producer Stoll went on to release another xenophobic Yellow Peril film called Mr. Wu in 1919 (which was remade in 1927 with Lon Chaney in the lead), a 15-film Fu Manchu series called The Mystery of Dr. Fu Manchu in 1923, and an eight-film series in 1924 called The Further Mysteries of Dr. Fu Manchu, both series starring Harry Agar Lyons as Fu.[4]
