13Hrs is a 2010 British horror film directed by Jonathan Glendening. The film stars Isabella Calthorpe as the main female lead, and also features Gemma Atkinson, John Lynch, Joshua Bowman, Antony De Liseo and Tom Felton.
The brewing storm outside causes a power outage. The group notice blood at the top of the stairs. Gary leaves the group to look for candles meanwhile the group sees that the blood is coming from their fathers room. They find his lifeless body, which appears to have been attacked by some wild animal. At the same time, Gary discovers Stoners bloody remains. The group encounters a beastlike creature and narrowly escape. When Gary calls to them, it catches and kills him. The group flees to the bathroom, and Sarah discovers a passageway leading up to the attic. Momentarily safe, the group contemplate their situation. Emily sees a pathway leading to another room, and the group decides that Sarah shall go down and distract the beast while Charlie goes to call for help on their fathers phone.While Sarah distracts the monster, Charlie contacts the police. However, the beast kills and devours him. When Sarah witnesses this, the monster pursues her, and manages to bite her leg. On the other side of town, McRae, a trained dogcatcher, is picked up by police officer May, who believes the call is a hoax, on the way to investigate Charlies call. Back in the attic, as Doug tends to Sarahs leg, Stephen and Emily discover another passageway into a room containing a shotgun. Armed with a stake, Sarah makes her way down and injures the beast before it attacks Emily. She attempts to kill the beast with the gun, but accidentally shoots herself. ........
Source: Wikipedia