In gloomy Gotham City the police are puzzled by the murder of some of the town's most notorious gangsters by a mysterious masked man, and suspicion falls on the Caped Crusader. However, Bruce Wayne has other things on his mind: Andrea Beaumont, the girl he proposed to years ago, is back in Gotham City and keen to re-kindle their romance. As Batman investigates the trail leads him to his arch-enemy, The Joker.