In "Batman: The Long Halloween," written by Jeph Loeb and illustrated by Tim Sale, Gotham City is plagued by a serial killer known as Holiday, who murders people on holidays. Batman, along with District Attorney Harvey Dent and Commissioner James Gordon, embarks on a year-long investigation to apprehend Holiday and unravel the criminal underworld's connections. The story explores the transition of Harvey Dent into the villain Two-Face and delves into the complex relationships between Batman, Gordon, and Dent amidst a city engulfed in crime and corruption.
