Ai Jia, who was originally innocent, pure and lovely, grew up in a happy family. An incident that happened ten years ago made her good friend and "brother" betray her. In order to be reborn, Ai Jia had to complete a task. In order to be reborn and take revenge and not let that happen, she allowed herself to travel through time and possess a princess. The prince, who originally had no feelings for Ai Jia, fell in love with the heroine after a series of things. In the end, will the heroine want revenge and be reborn or will she be with the hero?