DC

After years abroad, Bruce Wayne returns to a crime-ridden Gotham and becomes Batman. With allies Gordon and Dent, he battles organized crime—but their success may give rise to a new breed of costumed villains, beginning a sinister "Long Halloween."

Dr. Harleen Quinzel is a new psychologist at Arkham Asylum determined to help patients her colleagues have written off. When she a magnetic criminal able to manipulate everyone but her, Harleen makes a fateful decision leading her and The Joker down a dangerous path that will change Gotham forever.

A serial killer known as The Harvester terrorizes Gotham City, but Batman is not coming to the rescue. With Batman missing in action, Detective Barbara Gordon is left with no other choice but to seek help from Gotham’s second smartest detective: The Riddler.

With a target on his head, the charming yet deadly Edward Nygma, better known as The Riddler, is forced to break out of Arkham Asylum and team up with the Caped Crusader. The unlikely duo must solve the mystery before they too, become victims.