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.

A family's road trip takes a dangerous turn when they arrive at a secluded mobile home park to stay with some relatives and find it mysteriously deserted. Under the cover of darkness, three masked killers pay them a visit to test the family's every limit as they struggle to survive.