Zhang Yiang, a police officer who has been out of the front-line criminal investigation for several years（Wang Xiao Decoration），Due to an anonymous report letter received by the provincial department，He was sent to Sanjiangkou to investigate the case。Shortly after he took office, he was killed in a car accident by Lu Zheng, deputy director of the Public Security Bureau in charge of criminal investigation、There are many doubts，Later, while clearing his stains, he accidentally captured a serial killer who took multiple lives，The situation quickly opened up in the local police force。With a body“Koi”The halo is in line with the export“Poetry”habit，Zhang Yiang and fledgling rookie policewoman Li Qian（Tian Xiwei Decoration）Partner，And soon locked the direction of the investigation to the richest man in the area、Zhou Rong, chairman of Rongcheng Group（Wang Chuanjun Decoration）。However，Zhou Rong was surrounded by a veritable group of people“Low IQ”Stupid thief——When robbing a gold shop, remove the bulky statue of the God of Wealth instead of gold bars、When destroying important monitoring, throw physical evidence into the noodle pot、Homemade with gummy candy“bomb”As a result, it blew through the dung pit……These make people laugh out of their abs“Wonderful assists”Plus the butterfly effect of bloody infighting between forces，Instead, he repeatedly took the initiative to help Zhang Yiang and others clear obstacles、Dig the truth。That's all，Police、The real culprit behind the scenes、The little people with their own ghostly intentions staged you chasing me between multiple clues、A series of clashes by mistake。With extraordinary wisdom and fullness“European gas”，Zhang Yiang finally came out of the fog，The real cause of the murder of his colleagues was identified，It also sent the real culprit to the judgment seat。