Yuan Shengji, the daughter of the Yu Emperor, was raised as a prince from birth because of the ambition of her grandmother, the Queen Mother Zhou. Her father died suddenly when she was young, and she fled with her mother. To avoid being hunted, Yuan Shengji and her mother hid in the house of Yun, the prefect of Shangdang. When he was 13 years old, his mother was murdered. Yuan Shengji fought back and launched his own revenge plan to overthrow the world.