Choi Seok, a historian, raises Jeong Im after her parents pass away. But when her gratitude turns into feelings for him, he is criticized and so leaves the school. When Jeong Im is hospitalized, he gives her a lump sum of money and leaves for Hokaido, Japan. When Jeong Im finds out the truth, she and Oh Jin Woo, an admirer of hers, go to Choi Seok who's now fighting brain tumor.