Guangzhou city, a blackmailer is killed in his flat by a figure wearing a motorcycle helmet who takes the man’s mobile phone and a camera’s memory card with nude pictures of a young woman. Yang Bowen, a young man in his 20s who’s still haunted by the deaths of his father and mother at home 10 years ago, moves out from living with his maternal aunt into a big modern flat. Almost immediately he’s attacked by Helmet Man, who leaves behind a family photo with the faces of Yang Bowen’s parents scrub...