Teenagers Zach and Josh have been best friends their whole lives, but when a gruesome accident leads to a cover-up, the secret drives a wedge between them and propels them down a rabbit hole of escalating paranoia and violence.

Having defeated the Joker, Batman now faces the Penguin - a warped and deformed individual who is intent on being accepted into Gotham society. Crooked businessman Max Schreck is coerced into helping him become Mayor of Gotham and they both attempt to expose Batman in a different light. Earlier however, Selina Kyle, Max's secretary, is thrown from the top of a building and is transformed into Catwoman - a mysterious figure who has the same personality disorder as Batman. Batman must attempt to clear his name, all the time deciding just what must be done with the Catwoman.