When Gu Chanmi left her hometown, she left with the intention of never coming back. However, that plan changes when she finds out that her father only has six months left to live. Now she is forced to return home, to the place where she never really felt like she belonged. As soon as she arrives she's ready to leave again, but things quickly take a turn when she meets an aspiring musician who is determined to break down the walls she has worked so hard to build up.