The brutal Halloween murder prompted a young Gotham man, Batman, to make a deal with Police Captain James Gordan and District Attorney Harvey Dent to bring down Roman, the head of the famous and powerful Falcone Crime family. As more deaths occur on Thanksgiving and Christmas, it becomes clear that they are dealing with a serial killer – whose identities are harder to distinguish from each collision.

The reign of violence perpetrated by the Holide assassins continues in Gotham City. With every crime being counted, the problem gets worse as tensions rise between the criminal families of Falcone and Maroni. As Batman, James Gordon and Harvey Dent race to solve deadly puzzles, failures at Arkham Asylum include in-game villains.