During World War I, a group of British miners are recruited to tunnel underneath no man's land and set bombs from below the German front in hopes of breaking the deadly stalemate of the Battle of Messines.
After the premature death of her estranged husband, Emma (Winter) regains custody of their young daughter Isla (Jones) and hopes to rebuild their relationship after many years apart. But when an evil entity begins to torment them, mother and daughter are forced to face the inexplicable presence that inhabits the walls of their new home.
The American Dream becomes a nightmare for a group of undocumented day laborers hired by a wealthy couple. What they expect to be their biggest payday turns into a terrifying fight for survival.