You can now watch the entire Knock Knock movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
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.