Shen Lu pretends to be ugly for three years to get out of her engagement. Her fiancé, Lu Ziming, openly cheats on her. At the celebration banquet, he humiliates her in front of everyone. After striking back, Shen Lu gets drunk and wanders into a penthouse suite, where she spends a night of abandon with a mysterious man. At dawn, she leaves 300 yuan behind and flees in a panic. Three days later, at a Lu family meeting, Shen Lu learns that the man is Lu Ziming's uncle, Lu Chenzhou, the true power behind the Lu Group. In front of everyone, Lu Chenzhou produces the 300 yuan “tip” and demands that Shen Lu take responsibility. To protect his inheritance, Lu Ziming is forced to play along with his uncle. Lu Chenzhou proposes a marriage of convenience for three years, with each getting what they want. Shen Lu moves into Lu Chenzhou's private estate and discovers that he suffers from severe insomnia, but can sleep peacefully only when she's around. Unable to accept this, Lu Ziming teams up with Shen Lu's stepsister, Shen Qingqing, to frame her time and again. Shen Lu gradually reveals her hidden talents and helps Lu Chenzhou secure a crucial project. Lu Chenzhou begins secretly investigating Shen Lu's true identity. Shen Lu discovers she's pregnant, but Lu Ziming drugs her and engineers a car accident. She regains her original appearance, and her true identity is revealed. Lu Chenzhou formally proposes and publicly introduces Shen Lu as the lady of the Lu family.
