Han Bi, who bears scars from her parents, relies heavily on her stepfather's family, especially Tae Rang. On the day they decide to leave for the United States together in hopes of winning the Powerball lottery, Tae Rang disappears... Three years later, Han Bi, who has become a bodyguard, meets Tae Rang again in a client-guardian relationship, but she now treats him with a cold attitude unlike before. This is a story of survival love where Tae Rang must protect Han Bi while watching over the men around her, and Han Bi must face the world alone. (Source: WelCon.kocca.kr)