Vengeance Is Mine!

Criminals steal a radium-powered tank from an inventor. His heiress and a government agent take up the chase. 18 episode serial-1. The Mystic Stone, 2. The Death Trap, 3. The Fatal Ride, 4. The Swing for Life, 5. The Torture Chamber, 6. The Tunnel of Doom, 7. A Flash in the Dark, 8. In the Clutches of a Mad Man, 9. The Roaring Volcano, 10. Creeping Flames, 11. Perils of Doom, 12. Shackled, 13. The Scalding Pit, 14. Hemmed In, 15. The Flaming Arrow, 16. Over the Cataract, 17. The Wheels of Death, 18. Liquid Flames.

A socialite accepts a portrait sitting with a renowned artist, despite her fiancé's objections. After the sitting, the artist tries to embrace her, but she repulses him. In retaliation, the artist conceives a plan to paint her nude, and upon exhibiting the portrait, aims to destroy her reputation.

Drunk and disorderly cowpoke Robert Sands is banished from an Arizona frontier town and hops on a freight train heading for New York. Arriving in Manhattan, the rough-and-tumble cowboy obtains a position as "physical guardian" to a spoiled member of the social register.