In a ravaged, post-apocalyptic landscape, survival is a constant struggle and trusting others can be deadly. When a seasoned loner encounters an innocent man with childlike innocence, they forge a tentative partnership amid the chaos. Their journey leads them to a sinister school, where the former students—now adults—remain under the oppressive control of their former authority figures. Amidst pervasive fear, hidden secrets, and lurking dangers, they are kept confined within their gated community, unable to venture beyond the treacherous boundaries that imprison them.