Delilah and her husband Shawn are thrilled to escape their urban woes and embark on a new chapter in their technologically advanced suburban home. Upon meeting Jay, the charismatic architect behind their residence, Delilah is confident they will thrive in this new environment. However, unbeknownst to them, a masked intruder lurks in the basement of their stunning new abode. As Delilah starts to sense another presence in the house, the revelation of the masked figure forces her and Shawn into a desperate struggle to flee their supposed sanctuary and survive.