In 1876, in a mining camp called Roaring Fork in the Colorado Rockies, several miners were killed from grizzly bear attacks. Corrie Swanson has arranged to examine the remains of the dead miners. She makes a shocking discovery. Town leaders, try to stop her from exposing their community's dark and bloody past, arrest and jail her. Special Agent Pendergast of the FBI arrives and with the town under siege, and Corrie's life in desperate danger, Pendergast must solve the riddles of the past.