On a hot summer night in the south, the young Wang Xueming (Eddie Peng) encountered an accident. Liang Ma's (Sylvia Chang) husband suddenly disappeared, and she sought help from Officer Chen (Wang Yanhui), not knowing that she had become someone else's next "target". Officer Chen was in charge of the case of Lao Liang's disappearance, and he found that the development of the case was far beyond his control. This group of people who didn't know that their fate had been quietly changed were trying to peek into the truth about that night, but the memory of this summer night was like a jigsaw puzzle, becoming more and more confusing...