When a lonely way station is attacked by the notorious Colbert gang, the marshal stops a bullet in the fight. Young Ezra Macahan finds himself with a heavy responsibility. The marshal's dying words: 'Take the Colbert brothers into Santa Rosa and turn 'em over to the sheriff.' It's a tall order, and Ezra will have to fight every step of the way to get it done. The final showdown sees Macahan go from boy to man...and from man to lawman.