Prepare yourself for a barrage of terrifying tales as Gotham's heroes are trapped in the Nightmare Realm, besieged by their own greatest fears! Can the Caped Crusader, Nightwing, and Jim Gordon regain control of their minds long enough to break free of this evil? Plus, Bat-brothers Jason Todd and Tim Drake are forced to battle their worst fears-and each other-while Sister Zero causes chaos for her sibling, Catwoman. Also, what horrors have Arsenal...