Episode titles:1. The Fatal Warning2. The Phantom Flyer3. The Crash of Doom4. The Pit of Death5. Menacing Fingers6. Into Thin Air7. The House of Horror8. Fatal Fumes9. By Whose Hand10. Unmasked
Film is believed to be lost. Please check your attic!
One of the last (if not the last) silent serials made by Nat Levine's Mascot Pictures Corp. The economy-minded Levine skimped on this 10-chapter production in preparation for the far more expensive talkie serial, The King of the Kongo, which would be released about 6 months later.