Thanks to a devastating nuclear war, a group of people find themselves crammed together in a house in rural Texas, struggling to cope with radiation poisoning, grief and the locals.

The sadistic members of a villainous family return to their childhood home to terrorize the new home owners and their guests.

Searching for a happy ending to a tale of unimaginable disaster and horror, nine strangers find themselves holed up together in a farmhouse cellar in rural Texas. The United States has hastily become embroiled in World War 3. A young doctor named Hunter survives the nuclear attack and is thrown together by happenstance with a group of wounded and frightened victims, including Elizabeth, a strong-willed confidant to Hunter, Brad - an antagonistic redneck jackass, and Jennifer, a barely coherent young woman suffering from severe post-traumatic stress. Together, they attempt to endure the devastating holocaust as they struggle with claustrophobia and conflicting personalities. In a makeshift shelter, Hunter and his dying companions wait for news from the government while fending off hunger, radiation sickness, and a horde of frightened and dying refugees.

Inspired by true events, 96 minutes is the story of four young lives slammed together in one shocking moment. The events of the night in inner city Atlanta, Georgia, unfold in real time as we inter-cut between a carjacking and the beginning of that day, following four separate kids - who they are, where they come from, and the seemingly innocuous decisions that lead them towards a life changing conclusion. With no adults to guide them, they're left on their own to try to survive not only this night, but the complex reality of the world they live in.

Agent Strahm is dead, and FBI agent Erickson draws nearer to Hoffman. Meanwhile, a pair of insurance executives find themselves in another game set by Jigsaw.