When a WWII-era battleship, reactivated and deployed in the Persian Gulf for black-op interrogations, falls radio silent, an elite Marine task force, along with an NCIS investigator and two scientists, are sent to investigate. When the Marines arrive, they find nearly everyone on board slaughtered. The survivors join with the task force to hunt down the mastermind behind the attacks, a notorious terrorist named Fadawi who threatens their very survival.

两对年轻夫妇开车穿过偏僻的森林时，他们的车子抛锚了。这时又遭到灰熊的攻击，一只灰熊被枪杀后，灰熊的同伴一起来围攻他们。两对夫妇被困在车内，他们必须想方设法求得生存。灰熊的力量、智商不同于寻常，秘密也渐渐浮出水面......(