In a dystopian future where the mysterious Purgatio System purges violent tendencies by manifesting them as physical demons, exorcist Cyrus fights not just monsters, but the corruption within the system itself. When a manifestation displays abilities outside of its believed power levels, Cyrus begins to question what he knows about this world. Partnered with Hope, a tenacious detective, he uncovers a dark conspiracy spanning political ambition, religious fanaticism, and a rogue hacker's revenge, all exploiting the Purgatio system to manipulate and control society.