Barret family is living peacefully at the suburbs when a series of shocking events disturb their routine. The father, Daniel, is unemployed for a long time and his wife, Lacy tries to support him as also grow up their two sons with love and care. An unknown force invades their home night by night and make all suffer from nightmares. They all also start to have memory blackouts and find themselves into a hypnotizing condition that drive them crazy. What is the purpose of this uninvited menace and what will be the consequences of this arrival upon their house? An astonishing sci fi thriller from the producers of Paranormal Activity (I hate this film) but I think this production is levels ahead anyway. Great suspense and powerful performances from the starring duo as also an accomplishing direction of a mysterious case.