Su Xiaoxiaoben was the only daughter from a scholarly family. When she was young, her father was framed by political enemies and the entire family was executed. She was rescued by the leader of the "Phantom Division" (the emperor's confidant) in the chaos, erased all the past, and was trained as a "Red Candle". The emperor is her only "benefactor" and object of allegiance. She regards completing tasks and gaining the emperor's recognition and freedom as her lifelong belief. This mission is her ultimate test after becoming the leader of the "Phantom Division". If she succeeds, she can leave the organization and regain her freedom; if she fails, she will be doomed...