In 1903 a mysterious young woman flees alone across the West, one heart-pounding step ahead of the law. At nineteen, Mary Boulton has just become a widow—and her husband's killer. As bloodhounds track her frantic race toward the mountains, she is tormented by mad visions and by the knowledge that her two ruthless brothers-in-law are in pursuit, determined to avenge their younger brother's death. Responding to little more than the primitive fight for life, the…