Happy Ghost III (Chinese: 開心鬼撞鬼; pinyin: Kai xin gui zhuang gui) is a 1986 Hong Kong comedy film directed by Johnnie To. Produced and written by Raymond Wong, the film stars Wong and Maggie Cheung. The film is about a spirit of the late female singer Tsui Pan Han (Maggie Cheung) waits in the afterlife for a chance to be reincarnated. She meets the Godfather (Tsui Hark) who has found an appropriate musical family for her to be reincarnated with. Her opportunity to be born into the new family is ruined when Sam Kwai (Raymond Wong) takes the pregnant wife to the wrong hospital. Pan Han is given one month to find a new body to assume her reincarnation in, and decides in the meantime to harass Sam Kwai. Kwai eventually summons the Happy Ghost to help him out.