Robbed and beaten by outlaws, stagecoach guard James Colton vows to get justice and recover his grandfather's watch. He hunts the bandits, only to face a crooked sheriff who gives him no choice but to shoot. Charged with the sheriff's murder, James' solitary hope is to get the outlaws to testify to the sheriff's villainy. With older brother Trace along to help, the Coltons track the robbers into Mexico. But after Trace is gravely wounded, James is ambushed by lawmen as he struggles to bring his brother across the border. The hangman's noose seems closer than ever. Can James prove his innocence?