Yun Shu was used as a bargaining chip by her family, forced into an arranged marriage with business tycoon Zhou Xing'an. Before the marriage, she harbored a secret crush lasting seven years, writing her full heart into her diary. She thought this marriage was merely a non-interference contract, to be ended with a dignified divorce when it expired. But Zhou Xing'an, after returning from abroad, accidentally opened this diary and saw that the lines between the words were filled with another man, causing his jealousy to surge overwhelmingly. The previously distant and indifferent man completely lost control, being stubborn and awkward, while secretly possessing and testing her, and quietly falling in love. Through their tug-of-war interaction, past obsessions slowly dissipated, the contract marriage quietly mutated, and the two ultimately headed toward a sweet ending of rushing toward each other.