Résumé: With a savage killer still rampant in Gotham, time is running out for Batman to stop him before he strikes again. In order to get closer to the truth about the man in the iron suit’s identity, The Dark Knight will have to delve deeper into the origins and history of Gotham City itself. Is the killer enacting a centuries-old revenge against the city’s founding families or is he simply a crazed collector of Gotham’s artifacts?