Lee Dong Wook is the principal and the owner of a art school. Onew, Taemin and Hyemin (the main character) are his children. His wife died after giving birth to Hyemin. The art school named Lee's Art School. The school is only for boys. The students must very good in academic and art which is singing, dancing and acting. They only have 3 teacher there. They are Jang Geun Suk, Rain and Lee Dong Wook. Hyemin was in America before, she come back to Korea and study at his father's art school. She's a brilliant student anyway and love arts. She's a belieber and that's waht makes it interesting. Eventhough she is Onew and Taemin's lil' sister but she doesn't know SHINee's songs.