A woman leaves a psychiatric ward after a nervous breakdown, only to start hearing mysterious knocking sounds in her apartment.
![blpgrB5znnSSMl1qISj98C3i4Dl](https://dramakor.icu/wp-content/uploads/2021/10/blpgrB5znnSSMl1qISj98C3i4Dl-60x90.jpg)
A woman leaves a psychiatric ward after a nervous breakdown, only to start hearing mysterious knocking sounds in her apartment.