由朴镇宇,柳和荣领衔主演的层间声音 사잇소리是一部综合评分2.0分的韩国剧情片。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.