When Song Xiaoyu is unexpectedly pulled into a scripted world as a tragic heroine fated to be discarded by the villainous male lead, she tries to escape, only to be trapped in an endless loop of fatal outcomes each time she strays from the plot. No matter how hard she resists, the story keeps pushing her toward Nan Heng, the cold and calculating lead. As she navigates this paper-thin world where every character is bound by fate, Song Xiaoyu must fight not just for her survival, but for control over her own story.

Lu Yanchen and Gui Xiao were each other's first love but separated after graduation. Years later, they meet again and realize that the sparks are still between them.