The Trip Ending Explained [SPOILER!]

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 Trip Plot Summary and Synopsis

A dysfunctional couple head to a remote lakeside cabin under the guise of reconnecting, but each has secret designs to kill the other. Before they can carry out their respective plans, unexpected visitors arrive and the couple is faced with a greater danger than anything they could have plotted.

Source: Wikipedia (CC BY-SA 3.0).