Lin Mo shows Ivy the evidence he kept when dealing with corpses as a scavenger for years. Judging from the killer's style, he infers that Gade was killed by Smiley. They rush to the crime scene for a deeper investigation. Thanks to his sensitive sense of smell, Lin Mo recognises Gade put his mobile phone in the mouldy rice to dehumidify. The two deduce that Gade felt threatened and called the police before died, which is confirmed by an old lady's statement.