Exist Within 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.

层间声音是由金正旭执导，朴镇宇,柳和荣主演的剧情片，在2021年上映播出，青苹果影院提供了层间声音在线观看，并且还可以支持手机看，不需要下载播放器,方便广大影迷。