Kim Yun-gyeong

This drama, which tells the story of a high school girl who falls in love with her new bachelor math teacher, was controversial even before it aired. The math teacher already had a fiancée, and the fiancée wasn't a villain, but the main character, Chae-rim, came between the two peaceful people and blatantly stole their relationship.

Chulsoo is a punk kid who always plays tricks on others. One day, while he is picking on somebody as usual, he meets Younghee, a new transfer student, who becomes his class partner. He starts to like her. Younghee is a precocious smart girl who lives with her grandmother alone. Her grandmother owns a flower shop and she helps her grandma by delivering flowers. Though Younghee looks lively, she misses her deceased parents at heart.