早期香港發生多宗駭人命案,引起公眾關注,《香港奇案之二:兇殺》以真人真事改編四個故事:「鬼頭仔」、「大家姐」、「臨村大血案」,與轟動一時的「紙盒藏屍」。編劇團以倪匡為首,扣人心弦的劇情引人入勝。擅長拍驚慄片的導演桂治洪,在「鬼」與「臨」故事中,殺人情節殘酷真實,拍出恐怖片的味道。看完四個兇案故事後,必定不寒而慄。Part 1: 'The Deaf Mute Killer' - A deaf and mute man is pushed to murder after being wrongly accused of rape. Part 2: 'Mama San'- A brothel madam has a man killed for not paying his debts. Part 3: 'The Informer' - A traffic cop is murdered by a police informer and his gun stolen. Part 4: 'Nude in a Box' - The discovery of the body of a dead woman results in a man being put on trial.