A rogue grizzly is blamed for the deaths of cattle along the border separating Glacier Park and the Blackfeet Indian Reservation. The repetitive nature suggests to Coleman Broderick, the Chief Park Ranger, that the mutilations are ceremonies of a cult squatting on a ranch called Satan Dance- maybe the next mutilation will be a person. When Park Ranger, Henry 'Twobob' Roberts, discovers two bodies on the rugged trail into Otokomi Lake, the mutilation...