In 1878, Kansas Red-a mysterious gunman, bounty hunter, and sometimes lawman-learns a young hot-head named Billy is looking for him. Kansas soon finds himself saving the boy from angry gamblers. The gunfight leaves both Kansas and Billy wounded. Billy shows Kansas a dime novel with the gunman's face on it, and says his father, Sam Cassidy, sent him to find Kansas and convince him to come to the ranch to help. The dreaded outlaw Thorn Larson...