SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
Knifecorp Plot Summary and Synopsis
High school senior Wally Banks is selling knives door to door and gets trapped in a psychotic man’s house. He must escape before it’s too late.
Source: Wikipedia (CC BY-SA 3.0).