Locked Up (2016)

The movie is a story about a young lady (Amanda) whose family went on a vacation, leaving her and her older sister (Susan) at home. Amanda was supposed to go to summer camp and she waved her sister goodbye but unknown to her sister Amanda didn't leave the house. Her sister took the chance to go be with her boyfriend for a week and locked Amanda inside the house without food or water. The big question is will Amanda survive?