In order to save her seriously ill mother, ordinary designer Su Nianqing accidentally broke into the world of business emperor Li Mohan. When she accidentally crashes a cocktail party, her design talent unexpectedly catches the eye of the indifferent CEO. Just as the Li family was pressing for marriage, Li Mohan proposed a one-year contract marriage to solve all her difficulties as "Mrs. Li".
In the cohabitation life, the domineering president's extreme pampering broke the coldness of the contract. Under Li Mohan's protection, Su Nianqing gradually dropped her guard, and Li Mohan also found the long-lost warmth in this tough and intelligent girl. From contractual entanglement to true love fall, they work together to fight against family resistance, workplace plotting and love rival provocations, and stick to each other in the wind and rain. When the mystery of their life experience is revealed, the ordinary girl transforms into the daughter of a wealthy family. The two go from relying on each other to walking side by side, and finally seal their eternal love with a grand wedding, writing a sweet fairy tale between the boss and Cinderella.