One day, Lin Wansu accidentally falls into the water and is rescued by a man. When she wakes, Gu Xiuyuan is sitting by her bed, asking after her. She mistakenly thinks he was the one who saved her, and from then on, her feelings for him change. Gu Qingshi, another prince, falls in love with Lin Wansu at first sight, but she can’t stand him and never gives him the time of day. Instead, she does whatever Gu Xiuyuan tells her. Lin Wansu uses her family’s influence to help Gu Xiuyuan seize the throne. On the day of their wedding, Gu Xiuyuan massacres her entire family. Lin Wansu watches her loved ones die before her eyes, overwhelmed with grief. At that moment, her younger sister Lin Xiyun steps forward and tells her that she and Gu Xiuyuan planned everything. Only a stupid woman like her would help Gu Xiuyuan take the throne. In a fit of rage, Lin Wansu tries to kill Gu Xiuyuan and Lin Xiyun, but an arrow strikes her in the heart. Just then, Gu Qingshi, the man she has always despised, races over from horseback to her side. They are both shot dead. Lin Wansu uses the last of her strength to touch Gu Qingshi’s face. She is reborn, and this time she has returned for revenge, to protect both the family she loves and the family who loves her...