Oh Wansoo, a world-class golfer married Kim Yonggu, heir to the Hwain Group. Her life changes when she narrowly escapes an assassination attempt in Manila. She develops feelings for her bodyguard Seo Doyoon unaware of Doyoon's motivations.

Follows Oh Wansoo a woman born into an impoverished family who turned her life around by becoming a world-class golfer attracting the attention of many, including her future husband, heir to the Hwain Group, Kim Yonggu. Struggling to clear her mother's debt, Wansoo agreed to marry Yongguk but quickly became unhappy after discovering her husband's infidelities. For over 10 years, she has stayed with her husband, determined to make it work, but things quickly begin to change on the biggest night of her life. Shortly after arriving in Manila for her debut appearance as a Goodwill Ambassador, Wansoo is caught in the middle of a hail of gunfire, narrowly escaping thanks to the heroic actions of the company bodyguard, Seo Doyoon. Soon after, Wansoo begins to develop feelings for Doyoon, reconsidering her whole life up until that night but little does she know Doyoon's real motivation for working for the Hwain Group.