一对母子努力摆脱过去，在美国西部自由却残酷的穷山恶土中，建立起自己的家庭。

After a 4 a.m. knock at the door and haunting voices, Kristen McKay and James Hoyt’s remote getaway becomes a psychological night of terror as three masked strangers invade. Now they must go far beyond what they thought themselves capable of if they hope to survive.