Li Tianping (the Yellow River decoration) is a police officer in Nanan City Bureau of narcotics brigade. Meng Xue and her boyfriend at a nightclub in drug abuse, drug overdose death boyfriend. Li Tianping this investigation, only to pull out a whirling case. While these cases and nightclub owner, his old classmate and friend Fu Junhui (Lv Yiding decoration) has have all kinds of connections with contact, Li Tianping had to start the investigation and his friends. During this period there have been individuals continue to give Li Tianping an anonymous phone call, give him a lot of useful clues. The case is more and more complex, anti drug brigade and battalion of the criminal investigation and case investigation. Li Tianping from the traces between the mysterious figure clues found -- to provide clues to Fu Junhui is the enemy, also had been personally arrested Yan Songlin (Bai Hongbiao ornaments), who wants to borrow the police retaliation for Fu Junhui and Fu Junhui attempt to take over the kingdom of drug. The night of the Mid Autumn Festival, the showdown, Yan pine and Fu Junhui noted at network. Li Tianping, Fu Junhui, Yan all pine or foe or friend by the case together, the common experience of a conscience and responsibility test.