An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.

Yongsoon, an 18-year-old high school student, is a daring, fearless girl who falls in love with the coach of her school’s athletics team. When she discovers that he has a lover, the pain is almost too much for her to bear. To make matters worse, her father brings home a new wife. In an effort to bring about a resolution, Yongsoon tells the coach that she is pregnant with his child and decides to meet his lover to finally settle things. They meet in a classroom, together with the coach and Yongsoon’s new stepmother. Can Yongsoon win back her love?

Park Goo (Lee Kwang-Soo) mutates into a man-fish due to side effects from an experimental drug. He receives heavy publicity and becomes a star. A conspiracy by a pharmaceutical company leads Park Goo to being possibly expelled from the world.