O Wan Su 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 Su works as the chairperson for a foundation and has gained worldwide fame through her charity work. Seo Do Yun, her new bodyguard, graduated from the police university and excels in the martial arts. He joined the Hwang Group's security team for a specific reason. Through her bodyguard, Wan Su faces a secret of the Hwain Family. (Source: AsianWiki)