After a routine prison transfer crashes in the forest, young Inuit paramedic Melina finds herself surrounded by murderers with a mere 100 feet to climb out of a ditch to escape. When they are attacked by an unseen force in the forest, Melina's short journey to safety becomes the ultimate contest of wills.

由于政府因气候变化实施的措施，引发了一场未来的内战。妮娅、她的妹妹佩妮以及她的男友伊森正在躲藏，这时一个民兵组织的领袖及其追随者来到了他们的家门口。