- HD 1080
- Runtime: 90m.
- Status: Released
0
- Languages: en
- Country: United Kingdom, United States of America
- Director: Anthony Hickox
- Stars: Natalie Press, Hugh Bonneville, Tamsin Egerton, Svetlana Metkina, Joan Plowright
- Production_studio: Lipsync Productions, 120dB Films
- Slogan: The perfect house. The perfect husband. The perfect murder.
- The Knife Edge is featured in the top rankings of 2009
- #95 in Top Mystery Movies of 2009
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.
