Trapped in a wacky Wonderland filled with white rabbits and Cheshire cats, Batman and The Flash have to battle a pair of villains to find their way back to the real world.
When the Psycho-Pirate hurls Gotham into an abyss of its darkest emotions, even Batman is trapped in deepest despair and only Captain Marvel can help the Dark Knight save the city.
Accused of stealing a sacred gem, Lenni is chased to Earth by the Manhunters and it is up to Batman and the Green Lantern to help him find Lobo, the real culprit.