In a world ravaged by disaster, a police operation decimates the grand stronghold of a religious sect. Amid the aftermath, two officers stumble upon a winged girl bound in chains, unconscious. Their attempts to revive her are short-lived as scientists in hazmat suits swiftly whisk her away. Determined to liberate the angelic figure from captivity, the officers embark on a risky quest, gearing up to breach a high-security facility for a daring rescue mission.