Gong Chenxin, who had her immortal bones dismantled and thrown into the sea, was rescued by the demons and reborn. She became the palace master of Shiyun Palace of the demons. She didn't want to take revenge, but despite all the hardships, because of Ling'er's sacrifice, she became a demon overnight... The man she loved most betrayed her, and the man who had always been with her only had seven years to live... She had become a demon, could she still have a heart like dust...