James, a rich IT businessman takes his wife Sarah and kids Julie and Kevin to his newly bought Summer house beside a lake. While having a nice time with family, fishing and grilling along the banks of the lake, Kevin searching for his missing kite enters a haunted place and get possessed by a demonic spirit. The family finally find him unconscious and rushed to a hospital. The Physician Dr. David Woo, a friend and old school mate of James realised the boy is possessed by a unclean spirit and adv...