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.

Mary Smith decides after a lifetime of being a shut-in to do something wild while her father is out campaigning for the presidency, so she takes off for the family's home in West Palm Beach and inadvertently becomes romantically entangled with earnest cowboy Stretch Willoughby. Neither the dalliance nor the cowboy fit with the upper class image projected by her esteemed father, forcing her to choose.

A glamorous film star rebels against the studio, her pushy press agent and a family of hangers-on.

A French orphan who grew up in a convent sets out to see Paris. It turns out that she is the heir to a fortune but doesn't know it, and has been lured to Paris by one of the heirs who does know who she is; he plans to swindle her out of her inheritance so he can have everything.

Story of a trader who uncovers a scheme to blame the Indians for a Buffalo massacre.

At the harvest fiesta, Don Luis Baldarama, owner of one of California's great ranchos, expects to announce the betrothal of his son, Audre, to Isabella Chavez, the daughter of a neighboring don named Miguel Chavez. However, Audre plans to elope with Erolinda Vargas, the daughter of the ranch superintendent. When Audre confesses to Isabella that he loves another, she joyfully admits that she loves someone else, also. Audre and Erolina slip away during a feast and meet at a cabin, but they are surprised by Selistino Vargas, who, believing that his daughter has been dishonored, shoots Audre.

A waitress from Chicago falls in love with a man from rural Minnesota and marries him, with the intent of living a better life - but life on the farm has its own challenges.

Finding himself penniless, Lawrence Ashmore, whose late father was ruined on the stock exchange, obtains a position as a reporter. Ashmore is assigned to investigate the reported fatal illness of Jesse Craven, one of Wall Street's financial monarchs.

A man searches for the villains who murdered his parents

James Gordon, Sr., owner of the Gordon syndicate, dispatches his roughneck son Jimmy to investigate why production has fallen off in his opal mine on an island off the coast of lower California. After an argument with his fiancée, socialite Lucy Andrews, Jimmy leaves for the island where he is met by Juan, McCool's servant who, along with Jasper Sneedham, has been cheating the company. On the launch, Juan tries to eliminate Jimmy by hitting him over the head, but the lad escapes and swims to shore where he is rescued by Sneedham's stepdaughter Nadine. Nadine takes Jimmy to the hut of mine foreman Fred Haimer, the only honest man on the island.