Knife Edge

A successful Wall Street trader returns to England with her new husband and five-year-old son, but their new start together turns into a nightmare when they move into a country house which contains a terrible secret.

Knife Edge is a 2010 horror thriller movie directed by Anthony Hickox, starring Miles Ronayne, Matthieu Boujenah, Hugh Bonneville. It holds an IMDb rating of 4.5/10 from 1,193 votes and runs 1h 30m.