An unfortunate car accident caused Zhang Xiao to dream about her unforgettable love with "Fourth Prince." One fateful day, she meets a man who looks just like the "Fourth Prince" in her dreams. He is Yin Zheng, the stepson of Zhen Tian Corporation's chairman. To find out what his relationship is to "Fourth Prince," she finds work as a designer at Zhen Tian. However, fate plays with her again. Just as she's about to solve this mysterious riddle, an accident occurs, causing Zhang Xiao to lose her memory. Now with no more worries, Zhang Xiao works diligently at Zheng Tian. She gets to know Lan Lan, Yin Zheng's supermodel girlfriend who looks just like her, the carefree Kang Si Yu, and the considerate and mysterious Kang Si Han. It turns out that Yin Zheng, Kang Si Han, and Kang Si Yu are all potential successors of Zhen Tian Corporation. Zhang Xiao suddenly finds herself in the center of a power struggle.