Three years ago, police genius Jiang Han was brutally framed and imprisoned for being involved in the murder of a powerful figure. After being released from prison, he became the "house cleaner" of a haunted house and accidentally awakened the "Death Simulator". At the scene of the murder, he saw the truth through infinite death retrieval. As long as he caught the real murderer, he could forcefully deprive the other party of his god-level talent and use it for himself! From top-level fighting to psychological profiling, Jiang Han evolved crazily using sin as nourishment. The abandoned son of the past transformed into the judge of the abyss, vowing to cleanse the list of enemies with blood and establish his own absolute order in the gray area!