Kong Zhen, an employee of Lusheng Group, accidentally met Ruan Zheng, the president of Ruanshi Group. She then was sent as an undercover agent by Lusheng boss Lu Yun, becoming Ruan Zheng’s secretary, to investigate clues about Ruan Zheng’s twin brother. What Kong Zhen didn’t expect was that one of the twins was actually Liang Yu, her crush who embarrassed her in front of everyone ten years ago. But which one was him? Kong Zhen was really confused.