In a not-so-distant future, the government of the United States has established an intriguing and terrifying annual tradition: a night in which all crimes, including murder, are legal for 12 hours. The story focuses on the Sandin family, who have become wealthy thanks to a sophisticated security system that protects their home. However, as the night of the purge looms over them, their apparent security is severely threatened.
During the night, the teenage son, in an act of compassion, decides to open the doors of their fortress to help a man being pursued by a gang. This is where everything unravels. This selfless act triggers a series of catastrophic events that endanger not only the family but also their entire community. As they find themselves trapped inside their home, tension rises, and family members must confront not only external dangers but also their own fears and internal conflicts.
As the purge progresses, the line between good and evil blurs, and each member of the Sandin family must decide how far they are willing to go to protect their loved ones. The night reveals human nature and the brutality that can surface when all rules are eliminated. In the end, the struggle for survival becomes a deadly game that challenges not only their lives but also their morality.