The heroine Hae-joo (Han Ji-hye) begins life in utter poverty. But despite being burdened with the secret past of her parents, she navigates treacherous waters and overcomes obstacles to achieve her dreams. Her childhood sweetheart Park Chang-hee (Jae Hee), son of the butler to a company chairman, also rises above his humble beginnings to become a successful prosecutor. Bright and playful Kang San (Kim Jaewon), the boss's privileged son, returns to Korea after years abroad to find that he still carries a torch for Hae-joo.