Ji Lin, a professional stand-in lover, accepts a sky-high contract from business tycoon Shang Mo to play his fiance for three months. The contract has only one requirement: "Be your true self." Amid a relationship full of pretense and probing, Ji Lin gradually discovers that Shang Mo has been paying attention to him for ten years. Meanwhile, a clash of business intrigue and emotional truths quietly unfolds. As the line between stand-in and true affection blurs, the two find their true selves in each other's company, behind the facade.