A decade after his family was brutally killed in a home invasion, a father finds himself in front of the killers house, arguing with the younger version of himself, who is telling him how to take revenge.
Knock Knock full movie is released on Aug 18, 2018. Watch Knock Knock online - the English Short movie from Germany. Knock Knock is directed by Tim Strijbos and created by Tim Heinzel with Christopher Köberlein and Denis Lyons.