ABSOLUTE POISON IVY SINKS HER TEETH INTO ARK-M! Dr. Pamela Isley has been unleashed from the Ark-M facility with an unending hate and burning fire for revenge on Gotham City, and those who put her in the belly of the beast. When Batman hunts her down, he must survive a labyrinth of leveled horrors, one more gruesome after the next, as he tries to save the city from a monster it created.