When Silas Van Loy flees home on horseback to avoid capture for his brother's murder, he is followed by both the police and his brother's wife, Lena, who is intent on exacting revenge. She reluctantly lets her trusted stable assistant join her in a journey across the wilds of Northern California in the hopes of catching Silas for one final showdown. Stansel follows the chase and shares the story of the brothers' rise from hardscrabble childhood to their reign as the region's preeminent horse trainers, tracking the tense sibling rivalry that ultimate leads to the elder's death.