An innocent camping trip takes a dark turn for a young brother and sister, when they witness a murder. The young siblings become the killers' next target as they are chased and hunted through the wilderness. Serving time over a protest gone terribly wrong, their father, Jack Damson (Brendan Fraser), devises a plan to break out of prison and rescue his kids from the pair of criminals Tommy (Dominic Purcell, TV's "Prison Break") and Kenny (Ethan Suplee, TV's "My Name is Earl"). A fight for survival ensues in the action-packed thriller where the hunters become the hunted.