一个异常残酷变态的奸杀犯背后，其实亦有一段令人心酸的故事。影片主角康仔少时活泼天真，但是父母不和，常把康打骂发泄，后来康辍学，亦沾上不少恶习，结识了四个无恶不作的朋友，并邂逅天真聪慧的少女阿琪，燃起做人的信心，但好景不长，琪被一外籍青年奸杀，康大受打击……In April 1985, two expatriate students Kenneth McBride, age 17, and 18 year-old Nicola Myers were beaten, raped, and murdered by a teenage gang. Based on the true story of Hong Kong's Braemar Hill murders.
