Batman: The Long Halloween, Part Two is an animated movie that follows the events of the first part of the same name. The story takes place during Batman's early career as Gotham City's protector, and it is a continuation of the investigation into a mysterious killer known as Holiday. The killer strikes on holidays, leaving behind a token of the murdered victim and driving Gotham's criminal underworld into chaos.
In Part Two, Batman continues his investigation with the help of Catwoman, Commissioner Gordon, and Harvey Dent, who is running for re-election as the district attorney. Dent becomes more involved in the case, leading to tensions between him and the notorious Falcone crime family who he is prosecuting. Meanwhile, Batman's alliance with the Falcone family's rival, the Maroni family, puts him in a difficult position.
As the investigation progresses, the identity of Holiday is revealed, leading to a series of explosive confrontations between Batman, the mob families, and those who have been severely impacted by the killer's actions. In the end, Batman and Harvey Dent's campaign to clean up Gotham City's corruption is threatened by the climactic events that take place on New Year’s Eve.
Overall, Batman: The Long Halloween, Part Two is a story about the dark and corrupt past of Gotham City, examining the toll that brutal and senseless crime takes on its people and how far Batman and his allies are willing to go to protect them. It is a thrilling tale of mystery and suspense filled with action-packed fight scenes and complex character interactions that fans of the Batman franchise are sure to enjoy.