Following the shocking murder of her daughter, a grieving woman transforms her high-tech home into a sophisticated trap for the killer. She meticulously outfits the house with various security and surveillance systems, turning it into a labyrinthine fortress. This initiates a deadly cat-and-mouse game where every move could be fatal, as she engages in a tense and dangerous battle of wits with her daughter’s murderer, determined to bring him to justice and find closure.