A two-year old boy is left on the Tucson, Arizona police station steps with one name, Ben, pinned on his shirt. No one claims him, so the tot goes to live in the county orphanage until he's adopted, at age ten by the elderly, wealthy Arizonian, R. Thomas Mills, and is reared as the man's only son and heir. At age nineteen, the elder Mills dies, and young Ben Mills inherits his adoptive father's twenty-million-dollar estate. He promises R. Thomas...