After the tragic murder of her daughter, the grieving mother, Sarah, becomes obsessed with finding the killer and seeking revenge. She uses her intelligence and resources to track down the perpetrator and comes up with a plan to lure him into her smart home.
Once inside the house, the killer becomes entangled in a twisted game of cat and mouse with Sarah, as she manipulates the smart technology to trap him and exact her revenge. As the stakes grow higher, both Sarah and the killer are pushed to their limits in a battle for survival.
As the tension escalates, Sarah must confront her own demons and the moral implications of her actions. The line between justice and vengeance becomes blurred, and she must ultimately decide how far she is willing to go to avenge her daughter's death.
The movie explores themes of grief, loss, and the lengths a mother will go to for justice, while also delving into the darker side of technology and its potential for manipulation. It keeps the audience on the edge of their seats as they witness the intense psychological and physical struggle between Sarah and the killer in her high-tech home.