
Thousands of people have been reported going missing in the small city Cashmere. After three friends Sarah, Peter, and Hannah investigate the urban legend of The Backrooms which is a liminal space with dingy yellow wallpaper, soggy carpets, and beaming fluorescent lights, they conclude this is how the missing people disappeared. When Sarah's own brother Cas goes missing, the trio take it upon themselves to find him. Will they succeed? Or will the be trapped in The Backrooms for eternity?