EXPERIENCE THE STORY THAT DEFINED BATMAN FOR A GENERATION! One bad day. According to The Joker, that's all that separates the sane from the psychotic. Freed once again from the confines of Arkham Asylum, he's out to prove his deranged point--and he's going to use Commissioner Jim Gordon and his brilliant and beautiful daughter Barbara to do it. Now Batman must race to stop his archnemesis before his reign of terror claims two of the Dark Knight's closest friends.