“13hrs” is a horrifying story of family reunion and secrets. Sarah Tyler (Isabella Calthorpe) is returning home to visit her family in an isolated countryside. She has avoided her family for years, not wanting to confront them. Gary (Tom Felton), Emily (Gemma Atkinson), Doug Walker (Joshua Bowman), Charlie Moore (Gabriel Thomson), Stephen Moore (Peter Gadiot) and Luke Moore (Antony De Liseo) all make up the gathering as the night progresses a fog and storm rolls in. Held up for the night in the family house everything is fine until something comes out of the storm and begins to pick off everyone one by one.