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In a newly opened hotel that subscribes to old fashioned values, a seemingly predictable series of events turn into a clash of stereotypes, making the viewers question their own assumptions about others and the inescapable irony of human relations.
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Other movies with this title: Knock Knock (US, 1940), Knock Knock (US, 2008), Knock Knock (US, 2014), Knock Knock (CL/DE/IL/US, 2015), Knock Knock (US, 2018), Knock Knock (CN, 2021)