Zhang Qingyu is a policeman. He has witnessed many joys and sorrows, love and death, but he cannot stand the sentence: "The world is not fair."
Shuman Ting, a criminal psychologist, gradually developed feelings for the two as they came into contact with each case, but this relationship was destined to not have a good outcome from the beginning.
Malicious murders of minors, heart-stopping blood letters, strange corpses... Cases were solved one after another, and the truth of all this finally came to light, but she left him forever.
Follow them to pursue an answer, or to find their original selves and uncover their hypocritical faces...
Joining forces, can they defeat the darkness and become the eternal light?
Resolute and upright police captain x cool and mature psychiatrist
Intention: Break the darkness and pursue the ray of light