Only a day after returning from the past, Batman and his allies discover that the world isn't quite the same as they left it. The entire island of Japan no longer exists and neither do the heroes of the Justice League. But before they can get a handle on what is going on, yakuza literally start raining from the skies.

一名素描艺术家和一名警察一起利用他的脸的描述来揭开一个难以捉摸的杀手的身份，这刻在残暴犯罪的目击者的记忆中。