Captain Mack Hawkins, Lieutenant Ludlow Dooley and the Kiowa-Comanche Detachment of Indian Scouts are sent on a hazardous assignment up into the Rocky Mountains of Montana. Their orders are to protect railroad surveyors coming under fire from hidden snipers. But when the detachment arrives, they find themselves caught in a deadly crossfire. Mysterious threats and baffling situations abound that are intertwined with gun battles and ambushes in the mountainous crags and forests of the Rockies. To further complicate matters, a revolution by the Métis—a people of mixed French and Indian blood—against the Canadian government unexpectedly involves Hawkins and his men.