Trailer for the movie Exists.

Synopsis:

For five friends, it was a chance for a summer getaway: a weekend of camping in the Texas Big Thicket. But visions of a carefree vacation are shattered with an accident on a dark and desolate country road. In the wake of the accident, a bloodcurdling force of nature is unleashed -- something not exactly human, but not completely animal -- an urban legend come to terrifying life...and seeking murderous revenge.

Trailer:

Exists movie trailer