
S01E01 Summer Time
Tae Yi meets Se Heon in the music classroom, where he gives Se Heon a stern warning.
Tae Yi encounters Se Heon's brother, and the encounter reveals the story of the song.
After his jazz prodigy brother's death, Tae-yi loses interest in life. Se-heon, a passionate new student, rekindles memories of his brother through his music. Se-heon suspects a connection. But his return stirs tensions.