Anirudh- a criminal lawyer is rushing back home to his wife- Michele, as it is their wedding anniversary. On reaching home Anirudh realizes that his wife has gone missing without a trace. He gets panicky and starts looking for Michele. An unknown mystery caller (Drego)calls him and tells him not to go in search of his wife. According to the caller he will never find his wife in the outside world the mystery lies pretty much inside the house. Shockingly the unknown caller seems to know everything about Anirudh and his wife, even the minutest details. The caller tells him that he can only help Anirudh if he promises not to step out of the house and do exactly as he says. Anirudh realizes that he has no other choice but to obey the mystery man's instructions.As the mystery man takes Anirudh step by step through what had happened inside the house in his absence, Anirudh figures out that something terrible has happened to his wife. Yet every clue reassures him that Michele is pretty much inside the house. Anirudh feels like a stranger in his own house as lots of things look unfamiliar and strange inside the house. At one point of time he realizes that he has been locked inside his house and he has to escape in order to find his wife.