Another gruesome case involving a woman who's a sole survivor of a brutal massacre. A local constable questions the woman about her whereabouts and what might have happened the night before. As he gets the young woman to talk, she spins a tale of debauchery, madness and people so vile that you wished that they'll never see daylight again. Why is this woman so reluctant to talk? Who else might be involved in this ghastly murder? How will this bumbling cop get any solid leads or useful clues from this shell shocked woman?

The police suspect a young teenager who was horrifically abused by her family and raped by her father of finally snapping and slaughtering them all.

Lee Ying, who is the chief inspector of Regional Crime Unit, is newly promoted to Royal Hong Kong Police Cadet School as Deputy Commandant. He confronts a group of youngsters of different social backgrounds, turning them into self-disciplinary and self-contained young men.

Roy Chen Chih Lai is a serial rapist and murderer with a leg fetish, and cuts off his victims' legs as trophies after he's through with them. One day at a bank robbery shootout, he catches police woman Cheng Hsuen on camera, and chooses her to be his next victim. He begins to stalk her and enter her personal life, even waiting for her inside her home. He notices her sister, Kelly, as well (who is also a cop), and her boyfriend, Ken. After he kidnaps and rapes Kelly, Cheng decides to lure the madman by using herself as bait, and bring justice to the situation.