Living under the sky of Seoul, but living in a different life. Byun Baekhyun, a cold, rude, and arrogant guy who lives in a glamorous life as a heir of the biggest company, suddenly meets Jung Na-young, a cheerful and smart medical student which in love with her first love, Kim Jung-won. And everything turns to be complicated when Baekhyun and Jung-won get into a car accident, and Jung-won dies, makes Na-young live like a fool who lost her soul. But once again, everything has changed when Bae