This film tells of the romance between a talented violinist and interior designer. The pair get married almost immediately after meeting each other, though they soon find out that a passionate romance isn't enough to keep a marriage going.
Ma Nan and Xiaoyu are a couple who have been in love for many years. Ma Nan bought a property in the suburbs, just in time for Xiaoyu's birthday. So he called his colleagues and friends and the party was held in a cheerful atmosphere. Next door to Ma Nan's house lived a couple who often quarreled. The unusually loud noise aroused the curiosity of party-goers. They went next door together to find out, but unexpectedly found a terrifying and bloody murder scene. The apartment, which was originally sparsely populated, seems to have turned into a huge haunted house. Flickering lights, shrill screams, and maddened murders. A plague-like virus spreads freely in the apartment.
Zhang Yao, the leader of the Haidao vice squad, accidentally captured suspect Gao Fei, who used a fake ID. According to his confession, Gao Fei is a player of the online game "World of Warcraft" and he once met a beautiful young woman Ju Yue at a party. They began to date. One night, Cheng Tao, Lin Yan's husband, unexpectedly found the saucy chat record between Gao Fei and his wife. In a blaze of anger, he posted an anonymous letter online condemning them . His story drew more attention than expected. Net-friends started a "cyber manhunt" and the private information of Gao Fei and Ju Yue were posted online. They also issued a wanted circular for Gao Fei and Ju Yue. To protect his family and himself, Gao Fei lost his job and hid on an island with a fake ID. After Gao Fei left the police station, Zhang Yao answered a call that a headless female body was found on the dock.
