Binhai City is a bustling modern city with undercurrents. An extremely cruel murder case of a multinational company executive broke the surface calm. Gao Yuan, the criminal police captain known as the "Eagle of the Police Force", was ordered to form a task force to investigate. However, what is involved behind the case is a mysterious criminal organization "Shadow" that is extremely hidden and ruthless. Gao Yuan had to cooperate with Ye Qian, an informant who was carrying secrets and walking on the edge of black and white. At the same time, there seem to be unknown forces hidden within the police station. With pressure and obstruction from the top on one side and endless brutal provocations from gangsters on the other, Gao Yuan and his teammates trudged forward in the fog, peeling off the cocoons. This is a desperate battle between justice and evil, and it is also the ultimate test of faith and bottom line. When the gunfire rings out, who is the final winner?
