Criminal Profiler (2021)

Investigations into mysterious murders lead several characters to search for the truth. Faced with the grief of his Master's death, painter Cheng Ren took a picture left by the Master and embarked on a journey searching for the truth. The truth has long been buried by history, but for the life of the living and the death of the dead, Cheng Ren faces many obstacles. The six cases he encounters appear to be unrelated, but under the investigation, the cases turn out to be inextricably linked.