The Ghost Knows()

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 advises James to consult an exorcist to save Kevin. What happened to Kevin and others? Who is the Ghost? What happened at the end? Wait and watch on the screen.