Hyun Wook is the CEO of a talent agency that scouts and trains idols. He is a brilliant songwriter-producer who appears cold and indifferent on the outside but is sensitive and kind-hearted. Hyun Wook lives in great difficulty as he unable to let go of his ex girlfriend who dies in an accident he witnesses first hand. His ex-girlfriend’s sister, Se Na, moves to Seoul in order to pursue her songwriting career and meets Hyun Wook who helps her achieve it. In the midst of healing through music, they fall in love.