Year 2042, ten years after the global collapse. A new form of law replaces the justice system: “Trial Protocols” televised survival matches where criminals, debtors, and “volunteers” compete to earn redemption and a life in the floating cities above the ruined world. Lio, 25, ex-combat medic, is living in the slums. His mother’s hospital bills push him to the edge. He signs up for The Drop Protocol to win her treatment.