The story of a life-and-death contest between justice and evil. Some people try their best to resist the darkness, while others openly embrace it. Are the shadows and temptations in your life an illusion? Reality? Or is it the murderous whisper of a man who seems to control individuals with an invisible spell? Bai Yu Tong and Zhan Yao lead SCI to unravel the mystery of a psychopathic killer who always seems not one, but several steps ahead.