A-list actress Su Xu Yuye rescued the injured "ordinary boy" Lin Yu and took him in with a soft heart. Lin Yu takes care of Su Wan's life as a considerate "little puppy" and becomes her comfort in the high-pressure life in the entertainment industry. The two of them get along secretly and become more and more affectionate.
Su Wan didn't know that Lin Yu's "ordinaryness" was just a disguise - he was the heir to the Lin Group, he was close to her because of family tasks, and he was embroiled in a secret power struggle. As the relationship heats up, Lin Yu's "big wolf dog" nature is revealed: he dissuades the ambiguous people around Su Wan, uses capital to erase negative scandals about her, and reveals his paranoid possessiveness over her filming with male stars. At the same time, his "no status" secret relationship made him swallowed by insecurity and the desire for security.
When Lin Yu's true identity is exposed and the family secret war spreads to Su Wan, the two need to face the doubts from the outside world and the game of capital. They must also untie the knot of "calculation and sincerity" and "possession and trust" to protect this sour and passionate relationship between the stars and the shadows.
