Jo Youngmin and Jo Kwangmin are twins. However, their parents do not treat them equally. They love Kwangmin more than Youngmin and they do not bother about Youngmin. Their attitude made Youngmin became a rebellious boy. On the other hand, Kwangmin is a bright and gifted boy who really cares about his brother even though Youngmin does not treat him well. One day, Youngmin found out that both Kwangmin and himself fell for the same person. How will their life be?