In one devastating night, Grace Milton's peaceful life on a horse ranch outside Tombstone, Arizona is shattered. Grace's family is brutally killed by the notorious Guiltless Gang, leaving her the only survivor. Alone and desperate, she sets out into the wilderness on her trusted stallion, Bullet, with burning thoughts of revenge. But when she falls foul of the elements, a young man called Joe saves her life by taking her to an American Indian camp to heal her body and spirit. She begins to learn their ways and despite all her heartache, she finds herself beginning to fall for Joe. Then she comes face-to-face with one of the Guiltless Gang, Doc Slaughter. Can Joe persuade her to start a new life with the tribe or will Grace stop at nothing for justice?