H.A. Wohl

The brother of a nuclear scientist dies but is reincarnated as a dog so he can return to Earth to protect his brother.

Jay Price's dying mother tells him his real name is Jack King and gives him a locket as proof. At the King ranch he loses the locket which is found by the foreman. Hoping to regain his proof, he hires on as a ranch hand knowing the foreman is the outlaw known as the Hawk. But trying to prevent the Hawk from rustling cattle, he is captured by the Hawk's men.

Bob Terry is in love with Lois Borden the daughter of his employer, John Borden. When some bonds are missing from the office, Bob is accused and because of Borden's strong sense of obligation to his stockholders, Bob is railroaded to prison. A few years later, the real thief is apprehended and Bob is released. He now begins his plan for revenge against Borden with the aid of his prison cell mate Todd and a gangster, John Carmody. Soon, some bonds are missing again and Borden knows Bob is involved but because Bob has suffered at his hands before, Borden assumes the responsibility and is about to be sentenced to prison. Todd is shot while trying to steal the bonds back from Carmody, but gets the bonds back to Bob and, before he dies, begs Bob to return them to the owner.