Your heart will become connected when you fall in love, literally. By being connected, you'll be able to feel your lovers hearbeat no matter where you are. It happened that way for your parents, your friends, but for you your heart becomes connected with the person you least expect it to be after an accident: Park Chanyeol.

Park Chanyeol is a rebellious Sungkyunkwan scholar whose hopes of having a love life are crushed. Gu Yeonwoo, an aspiring author, just so happens to be longing for a romance of her own.