Zhou Mo, a web novelist, pulls an all-nighter writing and unexpectedly transmigrates into her own novel as Liu Ruyan, the vicious supporting female character. Determined not to repeat the fate of the original villainess, Liu Ruyan nervously tries every way she can to please Xiao Beihan. Xiao Beihan gradually lets down his guard, moving from initial disgust to growing affection. In the end, the couple returns home together and builds a thriving life in the countryside. But just as Xiao Beihan wants to spend his whole life with Liu Ruyan as her one and only husband, his memories suddenly come flooding back. What? I'm not Xiao Goudan, but Xiao Beihan, the Third Prince?!