The Dark Knight of Gotham City confronts a dastardly duo: Two-Face and the Riddler. Formerly District Attorney Harvey Dent, Two-Face believes Batman caused the courtroom accident which left him disfigured on one side. And Edward Nygma, computer-genius and former employee of millionaire Bruce Wayne, is out to get the philanthropist; as The Riddler. Former circus acrobat Dick Grayson, his family killed by Two-Face, becomes Wayne’s ward and Batman’s new partner Robin.