For a thousand years, Kim Taehyung has been watching humans as they evolve. He has been adapting very well from generation to generation. On the day when the whole nation mourned for the king, when he was sent to war... he was never gets excited. Life was too boring to the point where he dreamed about death. However this year, on the 20th century, Jung Soojung gave him a chance to feel how life actually works.