Ling Yuecheng joined the Criminal Investigation Detachment of the Nancheng Branch as a simulation portraitist, and was arranged by the leader to work with the criminal police captain Chen Feng in partnership. Chen Feng's initial provocations established the history of the feud between the two. As the subsequent plot develops, the two's close cooperation pushes the sense of confrontation between the characters to a climax. The compact plot, flashing portraits, and confusing clues of the case seem to tell the hidden truths and unknown stories.
