An eight-year-old boy tries to investigate the mysterious knocking sounds that are coming from inside the walls of his house, unveiling a dark secret that his sinister parents have kept hidden from him.

A young American woman moves with her husband to Bucharest, and begins to suspect that a stranger who watches her from the apartment building across the street may be a local serial killer decapitating women.

A 1950s housewife living with her husband in a utopian experimental community begins to worry that his glamorous company may be hiding disturbing secrets.

A refugee couple makes a harrowing escape from war-torn South Sudan, but then they struggle to adjust to their new life in an English town that has an evil lurking beneath the surface.

After a family moves into the Heelshire Mansion, their young son soon makes friends with a life-like doll called Brahms.