Bob and Jim Whitely are twin brothers. Bob, an army veteran who suffered shell shock in the war, escapes from a sanitarium and holds up the Express train, for which Jim is mistakenly arrested. Jim soon escapes from jail in order to find his brother. However, his task is complicated by a crooked sheriff who pins a holdup and murder on him that the sheriff himself actually committed. To make matters worse, the murder victim was Tommy Wilkins, the brother of Jim's fiancee, who now thinks that Jim killed her brother.

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