Obsessed gamer Arisu suddenly finds himself in a strange, emptied-out version of Tokyo in which he and his friends must compete in dangerous games in order to survive.
An extraordinary road to emotional healing opens up for an selfish antisocial children's-book writer and a selfless psych-ward caretaker when they cross paths.
Reinstated to eradicate the worst crimes in the city, a detective requests the release of three convicts to enlist their help in catching the felons still at large.