Oh Wan Soo reached the top of her sport as a golf player. Dreaming of having a perfect life within the upper class, she marries the successor of the Hwain Group. Now, Wan Soo works as the chairperson for a foundation and has gained worldwide fame through her charity work. She has Seo Do Yoon as her new bodyguard. Do Yoon, who graduated from the police university, excels in the martial arts. He joined the Hwang Group's security team for a specific reason. Through her bodyguard, Wan Soo faces a secret of the Hwain Family.
