Lorraine and Ed Warren, who, in one of their most terrifying paranormal investigations, travel to north London to help a single mother raising four children alone in a house plagued by malicious spirits.

Maggie, a single mother, moves into a new home in Brooklyn with her twelve-year old son, Oliver. Forced to work long hours, she has no choice but to leave Oliver in the care of their new neighbor, Vincent, a retired curmudgeon with a desire for alcohol and gambling. An odd friendship soon blossoms between the improbable pair. Together with a pregnant stripper, named Daka, Vincent brings Oliver along on all the stops that make up his daily routine,...