Desc: The Sign of the Wolf: Directed by Forrest Sheldon, Harry S. Webb. With Rex Lease, Virginia Brown Faire, Harry Todd, Jack Mower. 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.