With Gotham's eyes glued to Rupert Thorne's trial, the Batman protects the streets from the crime boss' retribution and gun-crazed lieutenant: Eddie Nygma aka The Riddler!

After a series of daring attacks on Triad Industries, the Batman must track down and stop the vengeful rocketeer who is responsible, by any means necessary, before their vendetta results in the loss of innocent life! However, as the Dark Knight Detective unravels the mystery, he discovers shocking revelations!

With Rupert Thorne missing and his replacement, Eddie Nygma (The Riddler) now wreaking havoc on Gotham, brutal street violence and brazen robberies escalate and the GCPD is spread too thin to slow it down. To get intel on Thorne's whereabouts and background on his new capo, Nygma, the Batman goes undercover in Blackgate prison in the guise of Matches Malone!

A murder scene with a bloody bat symbol spells trouble for the Batman. Thanks to Hattie Tetch's smear campaign, the Dark Knight detective faces more public scrutiny than ever before. Determined to clear his name, the Batman discovers a fanatical bat cult led by a charismatic prophet, the Mad Monk.

Disgraced Detective Jim Corrigan volunteers for a prison experiment to redeem himself, but the result is far more horrifying than anyone including the Batman could have imagined.

A series of mysterious student deaths at Gotham University draws Harley Quinn out of hiding. When her investigation converges with the Batman's, the two former adversaries strike an alliance to take down the immediate threat- the Scarecrow!

After gunning down an ex-cop, Eddie "The Riddler" Nygma partners with a mysterious woman named Thorn. Their crime-riddled love affair turns Gotham upside down, forcing the Batman's hand.

As the Batman resumes his search for Rupert Thorne, his investigation intersects with that of Carrie Kelley, an amateur detective calling herself "The Crime Smasher"! Together, they team up to take down Gotham's underworld fixer, Mr. Zero!

The Joker publicly announces Mayor Jessop's death sentence. As Gotham panics, the GCPD scrambles to protect the mayor while the Batman hunts down the Joker. Will their joint efforts be enough to stop what's coming?

It's Judgement Day in Gotham when a contagion spreads across the city, turning citizens into homicidal maniacs. As survivors cower in fear, the Batman's allies mobilize to save whoever is left while the Dark Knight Detective finally faces his ultimate foe, The Joker!