Three young women, Mia, Chelsea, and Natasha, move into a beautiful apartment, hoping for a fresh start. But strange noises, mysterious shadows, and terrifying messages soon turn their dream home into a nightmare. Every night, someone knocks on their door, but nobody is ever there. As the horrifying truth unfolds, the roommates discover that the apartment hides a dark secret—and one of them may already be connected to it. Will they escape before it is too late?