In the 1820s, a frontiersman, Hugh Glass, sets out on a path of vengeance against those who left him for dead after a bear mauling.
A group of teens journey to a remote cabin in the woods where their fate is unknowingly controlled by technicians as part of a worldwide conspiracy where all horror movie clichés are revealed to be part of an elaborate sacrifice ritual.
When a young boy accidentally triggers the universe's most lethal hunters' return to Earth, only a ragtag crew of ex-soldiers and a disgruntled scientist can prevent the end of the human race.