Years after a childhood prank goes horribly wrong, a clique of South Central LA teens find themselves terrorized during Homecoming weekend by a killer hell-bent on revenge.
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Knock, Knock, Knock follows Hana, a young woman who confines herself to a tiny box-like room. She interacts with the world by listening through the thin walls that separate her from her neighbors. Hana is consumed by thoughts of death, only to be confronted by an unexpected death.
