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.
Rating: R (for disturbing violent behavior, strong sexual content, nudity and language)
Lionsgate
About this HD digital code for Knock Knock
Quality: HD (1080p; HDX on Vudu)
Where it plays: Fandango at Home, formerly Vudu
Released: 2015 · Rated: R · Runtime: 99 min
How you get it: the code arrives by email shortly after checkout, one redemption per code, covered by our warranty policy.