Ji Hye and Mi Yeong are best friends who come to love Jung Woo Jin at the same time. When Ji Hye and Woo Jin dates, Mi Yeong seduces him and the misunderstanding leads to the break up of Ji Hye and Woo Jin. He ends up thinking that he loves Mi Yeong. Ji Hye quits her job and leaves to Kangneung and Mi Yeong marries him. For the last time, Ji Hye meets him and assures that what separated them was a misunderstanding and spends the night with him. After five years, Ji Hye shows up to the happy couple with a child in her arms.