After Paris (Cecilia Cheung), the heir of the Ke Group, mysteriously disappeared, Paris's lover, Quan Zhengxun (Kwon Sang-woo), the assistant to the president, planned a plan to protect her inheritance rights and interests, and found a girl Qin Xin (Cecilia Cheung) who looked like Paris to replace her. Under the guidance of Quan Zhengxun, Qin Xin moved into the Ke mansion and received various trainings as a female heiress of the enterprise to hide from others. However, her uncle Dong Aonian, who was determined to usurp Paris' inheritance rights, was waiting for an opportunity to expose Qin Xin's fake face. Qin Xin, who became Paris, faced multiple tests, and secretly fell in love with Quan Zhengxun while getting along with her. When she wanted to work hard to pursue this happiness, the real Paris appeared again...