ट्रिविया

Chapter titles: 1. An Apartment House Case 2. The Hidden Hands 3. The Pocket Wireless 4. An Old Grudge 5. On the Rack 6. The Unseen Terror 7. The House of Mystery 8. The Inherited Sin 9. Lost in London 10. The Ship of Horror 11. A Desert Vengeance 12. 'Neath Iron Wheels 13. Tongues of Flame 14. A Bolt from the Blue 15. The Black Box

As of 2010, this is considered a lost film.

The release date often found in film reference books and some trade listings (March 14, 1915) is incorrect. The correct release dates for this serial are Chapter 1: March 8, 1915, Chapter 2: March 15, 1915, etc. (a chapter each week, with release dates 7 days apart). See Moving Picture World Feb 20, 1915 pages 1080 & 1081 or Moving Picture World April 10, 1915 pg. 316.