A noise is coming from the floor upstairs. Eunsu, hears this for over a month which causes uncontrollable anger to rise up. She gets eliminated again from a competition she had prepared for a long time. Eunsu decides to write her last piece with the theme of the noise between the floors and persuades her friend to help her follow and track the secret.大提琴的声音就像一条河,左手是我无法忘却的回忆,右手是我值得紧握的璀璨年华,心中流淌的,是我年年岁岁淡淡的感伤。剧情片《层间声音》剧情介绍由26978327影院在线整理提供。