(W) James TynionIV (A) Guillem March (CA) Tony S. Daniel. Reeling from the effects of the worst Joker toxin attack ever* Batman is on the run through Gotham City* pursued by the dark shadows and voices that haunt his past and present! As The Joker's plan materializes* the only person who can save Batman from the brink of true madness...is Harley Quinn?! Plus* who is the mysterious new figure known as Clownhunter?