Determined to spend the rest of his life Han jung to pay her for saving his life, Bok-ku one day falls in love with Cha Eun-Suk, a top actress and the ex-girlfriend of his older brother. Bok-ku becomes her bodyguard to avenge his brother, who falls off a building while watching Eun-Suk announce her engagement with another guy on tv and ends up in a vegetative state. But ironically, Bok-ku ends up falling in love with Eun-Suk against his wish. Eun-Suk is engage – against her will – with Kim jun-Sung, the scion of a family-owned conglomerate that she advertises, Jun Sung aspires to become a politician someday, but he is also the future successor of the Hankuk group, a company with impeccable reputation. Eun-Suk and Jun-Sung are forced to get engaged after they are caught being together one day.