Three years ago, detective Hajime Hinata ran away from his fiancée, Chiaki Nanami, to protect her, in the process scarring both of them. Now, after being called back to Japan to investigate the terrorist group Despair, Hinata learns that he must live with his ex-fiancée in her apartment, and in the process confront not only Despair but also their shared past. Major DR 0/2 spoilers.