Mr. Conductor, a Choir conductor. Kim Jong Kook, an ordinary Choir conductor goes to teach a high school in Korea where he met the oddest, shyest girl he ever met in Choir, Song Ji Hyo. Will Song Ji Hyo ever break out of her shell and be one of the best Choir members? Probably even an EXCO member? An age of 20, student, Song Ji Hyo and age 28, conductor, Kim Jong Kook. 8 years of age difference means nothing when they realise their feelings.