Chen Mo, who was once a rising star in the behavioral analysis team of the provincial department, became the administrator of the archives room due to a "major miscarriage of justice". His bloody past was like an iron gate that locked up his insight. Until the mysterious retrospective hourglass appears, which not only allows him to glimpse fragments of the truth of the case, but also drags him into the mystery of life and death. Every profile is a game against the abyss of human nature, and every time and space retrospective carries a hidden price of mental loss. When solving a series of mysteries, Chen Mo must not only break away from the shadow of "miscarriage of justice", but also harness the power of the hourglass to reawaken his "dusty eyes" that can see through people's hearts at the edge of crime and truth.
