Chasing the Dragon, previously known as King of Drug Dealers, is a 2017 Hong Kong action crime drama film directed by Wong Jing and Jason Kwan. The film stars Donnie Yen as Crippled Ho, based on real life gangster Ng Sik-ho and Andy Lau reprising his role as Lee Rock from the film series of the same name. 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.