Bound by family interests, Jiang Wu and Gu Jingyun enter a contract marriage—the Gu family clears her debts, while Jiang Wu plays the role of a dutiful wife caring for his grandmother. Yet Gu Jingyun never loves her, treating her only as a tool while remaining loyal to his so-called “white moonlight,” Qiao Xiner. Isolated and desperate, Jiang Wu drowns her sorrow in a bar, where she meets Yan Du, whose quiet warmth becomes a beam of light cutting through her darkness. Time after time, Yan Du protects and supports her, and feelings slowly take root between them. During a designer competition, Jiang Wu discovers that the man she once dismissed as a mere pretty face is actually the president of the powerful Yan Group. Dropping his disguise, Yan Du pursues her openly and fiercely—just as Gu Jingyun finally sees Qiao Xiner’s true colors and falls to his knees, begging Jiang Wu to come back.
