When a daring bank robbery turns deadly, U.S. Marshall Duke Donovan is falsely convicted and sentenced to life in prison. While behind bars, the disgraced lawman discovers the real bandits' deadly plot to kill his wife in cold blood. Duke must plan a daring escape, reclaim his trusty six-shooter, and stop the killers before it's too late. What starts as a race against time soon turns into an explosively violent showdown, fueled by vengeance, treachery, and above all else, justice.