《层间声音》剧情介绍
A persistent noise from the floor upstairs has been bothering Eunsu for over a month, triggering uncontrollable anger each time it occurs. After being eliminated from a music competition she had painstakingly prepared for, Eunsu decides to channel her frustration into her final piece, choosing the mysterious noise between the floors as her theme. She persuades her friend to join her in tracking the source of the noise, unaware that their investigation will lead them to uncover a startling secret tied to their own pasts. As they delve deeper, the duo discovers that the noise originates from a neglected basement, where a cryptic music box holds a key to a tragic event connected to their shared history. The unraveling truth forces them to confront a haunting dilemma that challenges their very identities and the music they hold dear.