J. P. Beaumont and Brandon Walker, two of New York Times bestselling author J. A. Jance's most acclaimed series characters, join forces for the first time in one of the most suspenseful works of her career.Prospector Amos Warren and Big Bad John Lassiter, his young protégé, were as close as father and son until a violent argument tore them apart. The next day, Amos disappeared, never to be seen again. Years later, his bones were found in the desert....