CHAPTER TITLES: 1. The Serpent Sign; 2. The Cryptic Ring; 3. The Watching Eye; 4. The Vengeance Of Wu Fang; 5. The Saving Circles; 6. Spontaneous Combustion; 7. The Ear in the Wall; 8. The Opium Smugglers; 9. The Tell-Tale Heart; 10. Shadows Of War.
The ten-chapter novel the film is based on by Arthur B. Reeve was published serially in newspapers while the film was playing in theaters. When published in the papers, the novel was called chapters 15-24 of "The Exploits of Elaine". Several entire chapters were deleted when it was later published in book form. The remainder of the text appeared as chapters 1-5 of the book titled "The Romance of Elaine".