Knifepoint (2011)

On Christmas Eve, two sisters sharing a Venice apartment discover their home is the final target of a brutal gang of home invaders. Abbie and her wheelchair-bound sister Michele are forced to put aside their personal differences in order to survive an all-night onslaught of violence when their loft complex is systematically robbed, raped, and ransacked by a group of vicious criminals led by Jess and his sadistic sister Lorraine. The human body contains six quarts of blood. Prepare to see every drop. www.knifepointfilm.com