Bruce Wayne suits up as Batman to investigate a string of murders in Gotham that are believed to be connected to an anarchist known as the Joker. When the world's greatest detective tracks the Joker down, he ends up within the walls of Arkham Asylum and must endure a nightmarish night of twists and turns in order to catch the Joker once and for all, however an unexpected revelation reveals something even more sinister lurking deep within the heart of Gotham City.
