A perfect summer day quickly transforms into a horrifying ordeal. With the end of the school year, college graduate Natalie Wilner heads back to her hometown to enjoy the Fourth of July festivities. However, hidden behind the patriotic displays and celebrations is a sinister presence. Following an evening of alcohol-fueled revelry, she makes her way home and falls asleep, only to be jolted awake by a sudden, loud knock at the door. Witness a night of sheer terror as Natalie struggles to evade a persistent, knife-wielding madman through her own eyes.