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
The Dark and the Wicked Plot Summary and Synopsis
Plagued by waking nightmares, two siblings suspect that something evil is taking over their family at an isolated farmhouse.
Source: Wikipedia (CC BY-SA 3.0).