Five hundred years ago, General Su Li was involved in an accident and rescued by the sweet and innocent Xiao Yu, but the two eventually forgot each other. Five hundred years later, Xiao Yu ventures into the city to seek justice for her village, only to encounter Su Li in the middle of a violent episode, wreaking havoc at a construction site. To conceal her identity, she comes up with a clever plan to prove who she is and ends up saving him in the process. She originally intends to sneak into the Su family to retrieve her belongings, but someone suddenly appears and identifies her. To protect Xiao Yu, Su Li suffers another severe outbreak of his illness. At this critical moment, Xiao Yu decides to reveal her true identity to save him.