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Bosco Lam Hing-lung spins this Category III yarn featuring generous portions of grisly carnage, toilet humor, and hot sex. Tong (Anthony Wong Chau-sang) is a humble truck driver being harried from all sides. Not only is his independent trucking gig being harassed by the triads, but he is also the unwilling witness to a high-rise jumper's sloppy suicide. When he gets word that his application to move into public housing has been approved, he mistakenly thinks that his life might be taking a turn for the better. Not only is his next-door neighbor convicted serial killer Lam Kuo-jen (Lawrence Ng Kai-kui), but he also learns that his wife has been turning tricks to cover her massive gambling debt she ran up with the triads. Tong sells his truck to cover the debt, but the cash is stolen and the triads soon torch his new pad, killing his wife and terribly scarring his son. By this point, Tong is at the end of his tether and begins to seek brutal, sick, twisted revenge. Fortunately, his next-door neighbor is willing to give him a few pointers in such an endeavor.