When the special case investigation team led by criminal investigation expert He Linchuan took over the first "art museum hand-cut case", they did not realize that this was just the beginning. Over the past five years, there have been five series of cases, each pointing to the same mysterious mastermind - "Mr. Shadow". From serial murders in the art world to AI prediction of murders, from the annihilation of a wealthy family to the reappearance of historical unsolved cases, this team composed of crime scene reconstruction experts, forensic pathologists and network security geniuses gradually uncovered the ultimate truth behind five mysteries over 500 thrilling days and nights.
