A family man's (Keanu Reeves) kind gesture turns into a dangerous seduction and a deadly game of cat and mouse when he opens his door to two stranded young women.
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Ratings and Reviews
Critics Consensus: Knock Knock brings a lot of talent to bear on its satirical approach to torture horror, but not effectively enough to overcome its repetitive story or misguidedly campy tone.
Horrible home-invasion thriller from Eli Roth.