Fleeing to Dodge City after killing a man in self defence Masterson finds his brother Ed (Harry Lauter) running for sheriff of the town. When Ed is killed by hired guns of the corrupt incumbent Bat is determined to settle the score with violence but he is convinced by the townspeople that the best way to avenge his brother's death is by taking Ed's place on the ballot. Bat agrees and wins the election but his new role on the right side of the law will lead him to unexpected confrontations as he finds himself torn between his loyalties to his friends and his duties as sheriff.

Down-on-his-luck Mike Cormack is hired to fly to a Caribbean island to retrieve a missing ruby. On the island, possibly involved with the ruby's disappearance, is his ex-girlfriend.

Jack Early is a photographer who will stop at nothing to climb his way to the very top of the success ladder. On the strength of his sheer tenacity, he gets a job with a major newspaper, and it's not long before he's made a name for himself by charming a notorious crime boss, Nick Palmer, into allowing himself to be photographed. Palmer takes him under his wing, but Early decides to bite the hand that feeds him and sets Palmer and another crime boss, Colton, against one another.

In this entry in the enduring series, the suave jewel thief finds himself helping the police break up a ring of diamond smugglers. Along the way, he winds up accused of both robbery and murder.