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From the liner notes

A mother and her six year old girl move into a new building. A tenant who lives below her complains about noises coming from her apartment. Even though she lives very quietly, the complaints of noise continue.

The mother soon realizes everyone in the building acts bizarre to the point of being scary. The six year old girl soon begins acting like the other tenants. Then, mysterious deaths begin to occur in the building. The mother must solve this mystery of these deaths and strange behavior before it's too late.