Muro the Dog

John Farnum returns from India with the 'secret of the jewels', two small chains that turn sand into jewels. Outlaws know about the chains and are after them. But Tom, sidekick Bud, and the wonder dog King are there to repeatedly fight off their attempts.

Louise Hill has the combination to the safe and is the bookkeeper for George Morrow at his investment firm. She goes to lunch, is hit upon by Herbert Winslow , gives him a brush-off and goes back to work. But she drops her purse containing the combination to the safe. That night, Winslow and his henchman Jim show up to rob the safe, but Louise is working late on the books. Trouble follows