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!
We Need to Do Something Plot Summary and Synopsis
After Melissa and her family seek shelter from a storm, they become trapped. With no sign of rescue, hours turn to days and Melissa comes to realize that she and her girlfriend Amy might have something to do with the horrors that threaten to tear her family — and the entire world — apart.
Source: Wikipedia (CC BY-SA 3.0).