Ke Miantang, an ordinary girl, unexpectedly enters the world of a book and becomes bound to a plot-assistance system. By completing life-experience tasks, she has a chance to return to reality. She meets Rong She and a host of characters from the book, abandons the original character's flamboyant way of handling things, treats others sincerely, and stays true to herself. Rong She is moved by her unique character, and as they spend their days together, the two gradually come to understand each other and develop a sincere, pure love.