Cha Yoo Jin is a third year student in a school of music majoring in piano and dreaming of becoming a world renowned conductor. He seems to be perfect with his good looks, natural born musical talent, and his father, who is a world renowned pianist. He is unable to travel to Europe due to a childhood trauma which gave him a fear of flying. Meanwhile, Seol Nae Il (meaning: Seol Tomorrow) is a free spirited and 4-dimensional character who is also a genius pianist. Due to her unpredictable personality, She causes all kinds of trouble, but when it comes to piano, she boasts exceptional talent. She constantly annoys perfectionist Cha Yoo Jin with her unique mental world but her lovely charms make her irresistible.
