As he rode into Dunphyville, Dan Harrigan noted the broken windows, smashed doors, collapsing verandas. The Blacksmith's shop had been set on fire, the saloon wrecked, and the general store shot up. He nodded knowingly. There were only a dozen buildings in this small town, but they all bore the Mark of Angus "Black" MacTee.

Dan Harrigan and Angus MacTee were friends and partners once; but their mutual love for pretty Kate Malone had turned them into mortal enemies. Forced to join together in a grim fight to save Kate's life, both men turned their rage on each other - and a tornado couldn't have done more damage!