Earth-shattering sound echoes along the East Coast, sparking widespread panic. As people succumb to a mysterious sleepwalking phenomenon, they turn violent, killing without reason. Amidst the chaos, a group of survivors must band together to stay alive, facing unimaginable horrors from both the sleepwalkers and their own toxic family and neighbors, who have taken refuge in Edgar's home.
Sleep. Walk. Kill.
As the sun sets on a seemingly idyllic neighborhood, a sense of unease settles over the residents, who soon discover that their loved ones are sleepwalking, putting the entire community at risk.