Tom Reynolds returns to find he is wanted for murder, his gun having been found at the scene. Tom suspects Munro and stages a fight to get a bullet from Monro's gun which he then sees matches the murder bullet. He gets his brother Steve to confess that he Monro forced him to rob the bank with his gun. But at Tom's trial, the bullets are ignored and when Steve fails to appear, Tom is found guilty.

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

Brad Buckner has just bought a ranch. Murdock keeps his rustled cattle on the ranch and sends his men to kill Buckner just as they did the previous owners. But Buckner and his men foil their attempts and decide to search the ranch. To throw Buckner off he kidnaps Buckner's girlfriend and the Sheriff and makes plans to drive the cattle across the border.