Kim Myung-wu studies modern music in Germany and meets Ji-suk, a pianist. She disappears on the day of his recital to get money for her mother's treatment in hospital and no word from her for a month since. He sees through her mother's funeral when she's gone. When there's a fire in the village, Myung-wu witnesses Ji-suk playing piano at the church watching the flame. She sets a fire at a store she was trying to get the money from but the owner reported her. She blamed her mother's death on the store owner and revenged with the fire. She completes the Pyro-Sonata with help of Myung-wu hiding her from police.

Deok-bo intends to fight his Eun-swi for the love of Bon-hie, but he is impressed by his rival's manly strength upon meeting. They become very close friends. Bun-hie, who was hoping to make Eun-swi an upstanding citizen is furious that he now spends all of his time Deok-bo. She decides to murder her former admirer-turned-rival.

Two school troublemakers decide to become better students. They visit their suspicious teacher everyday after school to ask questions and offer help. When their teacher falls ill due to overwork and is hospitalized, they decide they must find a way to show their appreciation.

Distraught that he is unable to go to his parent's home for the holidays, Sang-do gets drunk and meets a beautiful woman, but he winds up spending the night in the hospital after being beaten by her boyfriend. Upon being discharged, he finds a blank check on the sidewalk and is torn between following his conscience or his greed.

Choi Seok, the principal of a girl's high school, adopts Jeong-nim, a Japanese student there. However, they develop a disturbing relationship that scandalizes the local region. His family is disgusted and sends the girl back to Tokyo whil Choi Seok loses his job, but the two cannot stop thinking about each other

A young man and woman meet at the beach. The man falls in love with her despite her perpetually moody personality. She soon reveals that she is dying and has only a few months to live.