Emika and the Phoenix Riders are determined to put a stop to Hideo's grim plans, but Emika's survival depends on the ruthless Blackcoats whose help comes at a price.

In a post-apocalyptic world where fences and border patrols guard the few people left from the zombies that have overtaken civilization, fifteen-year-old Benny Imura is finally convinced that he must follow in his older brother's footsteps and become a bounty hunter.