A story of Mike Regan (Brosnan), a successful, self-made man who has it all: a gorgeous wife, a beautiful teenage daughter and a sleek, state-of-the-art "smart home." But he soon finds himself in a deadly, high-stakes game of cat-and-mouse when his I.T. consultant, Ed (Frecheville), starts using his skills to stalk Mike's daughter and endanger his family, his business, and his life.