Just as it begins to appear as if Batman, Lt. James Gordon (Gary Oldman), and District Attorney Harvey Dent (Aaron Eckhart) are making headway in their tireless battle against the criminal element, a maniacal, wisecracking fiend plunges the streets of Gotham City into complete chaos. Christian Bale returns as Batman, while Heath Ledger dons the maniacal makeup of The Joker, in this epic battle between two men in costume on opposite sides of the law.