Xiao Qi, an aggressive and ambitious social reporter, accidentally discovered that a hit-and-run murder case nine years ago was not simple when reporting a news story about a car accident. Although his proposal was not taken seriously by his superior, Brother Qiu, Xiao Qi, who believed in his intuition, asked rookie police officer Ah Wei for help and persuaded female supervisor Maggie to jointly investigate the truth of the year. When Xiao Qi and Maggie finally found Xu Aiting, the only surviving victim in the murder case, and obtained her consent for an interview, Xu Aiting disappeared for no reason... What was the truth that was hidden nine years ago?