In this sci-fi horror thriller, a suburban family's peaceful life unravels as they experience disturbing, unexplained phenomena in their home. Lacy (Keri Russell) and Daniel (Josh Hamilton) watch helplessly as their two young sons are plagued by terrifying episodes, leading them to suspect a malevolent extraterrestrial presence. With their family's safety at stake, they race against time to uncover the truth before they lose everything to an unseen, alien force closing in.