Shao Tingyan, a one-eyed psychiatrist who seems aloof but is actually arrogant, meets Qin Shengjin who is hiding a secret, and unexpectedly leads to a case from many years ago. The prequel to the showdown between Phoenix and the police, red and black, tit for tat, justice or evil, the good and evil of human nature are just a matter of thoughts...
Intention: Judging the good and evil of human nature depends on actions and thoughts