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When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse.
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You can buy "Knock Knock" on Rakuten TV, Google Play Movies, YouTube, Apple iTunes, Amazon Video as download or rent it on Rakuten TV, Google Play Movies, YouTube, Apple iTunes, Amazon Video online.