A serial murder case occurs in Linjiang City, which has always been peaceful. The murderer who leaves evidence but has no clues leads the police in a certain direction. As he gets closer to the truth, Gu Nianqiu's world gradually collapses. Friends who have known each other for many years, gentle lovers, dead childhood friends, everyone in her life have revealed their unknown side, and finally uncovered an incident that was hidden layer by layer twenty years ago.
Intent: The two protagonists' game over the case, their understanding of justice, and the exploration of the boundaries of moral justice and the conditions of freedom.