Chasing the Dragon (Chinese: 追龍; Sidney Lau: Jui1 Lung4), previously known as King of Drug Dealers, is a Hong Kong-Chinese action crime drama film directed by Wong Jing and Jason Kwan. The film stars Andy Lau reprising his role as Lee Rock from the film series of the same name, Donnie Yen as Crippled Ho, based on real life gangster Ng Sik-ho. The film is about an illegal immigrant from China who sneaks into British-colonized Hong Kong in 1963 and transforms himself into a ruthless and emerging drug lord. The film is a remake of the 1991 film To Be Number One.