Taito Masaki, a martial artist, intervenes to save a man's life aboard a luxury cruise ship. This act unexpectedly plunges him into a mysterious incident when the rescued man transforms into a berserker known as "Charlie" and turns on Taito. Charlie, identified as a former subordinate of Sarah and a victim of the entity "Rabbit", runs wild across the vessel. Taito's journey escalates into a confrontation with the "Living War God" Klaus Daggats, who rules from the apex of the immense Spiral Palace. Joined by a trio of fellow warriors, Taito faces Daggats and the group of fighting masters Daggats employs to challenge them.