The Black 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 computer-genius and former employee of millionaire Bruce Wayne, Edward Nygma, is going to get the philanthropist. The Riddler. His family murdered by two face, former circus acrobat Dick Grayson, becomes Wayne's defender and Batman's new partner Robin.