MOVIE SUMMARY: With the help of Lieutenant Jim Gordon and District Attorney Harvey Dent, Batman sets out to destroy organized crime in Gotham for good. The triumvirate proves to be effective, but they soon find themselves prey to a rising criminal mastermind known as the Joker, who thrusts Gotham into anarchy and forces the Dark Knight ever closer to crossing the fine line between hero and vigilante. In another angle we can say, When Batman, Gordon and Harvey Dent launch an assault on the mob, they let the clown out of the box, the Joker, bent on turning Gotham on itself and bringing any heroes down to his level. The Dark Knight is a 2008 American superhero film directed, produced and co-written by Christopher Nolan. Based on the DC Comics character Batman, the film is part of Nolan's Batman film series and a sequel to 2005's Batman Begins. Christian Bale reprises the lead role of Bruce Wayne/Batman, with a returning cast of Michael Caine as Alfred Pennyworth, Gary Oldman as James Gordon and Morgan Freeman as Lucius Fox. The film introduces the character of Harvey Dent (Aaron Eckhart), Gotham's newly elected District Attorney and the cohort of Bruce Wayne's childhood friend Rachel Dawes (Maggie Gyllenhaal), who joins Batman and the police in combating the new rising threat of a criminal calling himself the "Joker" (Heath Ledger). Nolan's inspiration for the film was the Joker's comic book debut in 1940, and the 1996 series The Long Halloween, which retold Two-Face's ...