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.
Knock Knock - watch online: streaming, buy or rent
Currently you are able to watch "Knock Knock" streaming on Viaplay. It is also possible to buy "Knock Knock" on Apple iTunes, Google Play Movies, Blockbuster as download or rent it on Apple iTunes, Google Play Movies, Blockbuster online.