In the midst of the Civil War, Union troops are being diverted from crucial battles to quell disturbances in Colorado, prompting Lieutenant Burke to lead an investigation into the chaos. He soon discovers that Macklin and his gang are the masterminds behind the trouble, and to his surprise, he finds Captain Mason, his brother, has joined their ranks.
Colorado
As the Civil War rages on, Union troops are diverted from the eastern front to quell a rebellion in Colorado, led by the notorious Macklin and his gang. When Captain Mason joins their ranks, Lieutenant Burke is dispatched to investigate the disturbance, only to find himself in a desperate showdow...
