One of many Pearl White silent action movie serials. 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.