In midsummer, a heinous murder broke out in City X, breaking the tranquility of the city. During the investigation process, the criminal police captain Guo Fengkui was keenly aware that this was not an isolated crime - several seemingly unrelated cases, but actually hidden connections, quietly surfaced like ghosts.
Guo Fengkui and his old partner Chang Anzhe, two experienced criminal policemen, fight side by side again. They cleared away the layers of fog and carried out meticulous investigations; they peeled off the cocoons and conducted interlocking inferences. Following the looming clues, they gradually uncovered the inextricable inner connections between several cases.
In the confrontation of wisdom and courage, in the game of justice and crime, a shocking mystery that has been buried for many years has finally been completely revealed...
