When a security guard is transformed into a monstrous freak by an industrial accident, Batman becomes involved when the guard, Rex Mason, goes on a rampage.
Batman once more patrols the streets of Gotham City. Batman brings justice to the likes of The Joker, The Penguin, Professor Pygg, and more treacherous forces seeking to blanket the city in their arcane menace.
Along with backup from ex-secret agent Alfred and lethal swordstress Katana, the Dark Knight faces the twisted machinations of Gotham City's criminal underworld led by the likes of Anarky, Mister Toad and Magpie.