In the world there are thirteen "rings of death" which, once collected, can be used to create "Zombie Powder": an elixir capable of granting immortality and restoring life to the dead. Many have tried to collect these dangerous rings which devour their wearers - and all have failed. John Elwood Shepherd is a young pickpocket who lives in one of the many small towns surrounded by the wasteland. When he meets Akatubi Gamma, a wanted criminal on a hunt for the rings; and his mysterious partner C.T. Smith, a highly-talented gunman; he is drawn into following the two in the hopes of saving his sister and having an adventure along the way!