剧情简介：女孩听到楼上传来诡异的敲击声，竟是邻居搞得事情！#层间声音剧情： 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.
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