Waking up in a mysterious facility with no recollection beyond his abduction, Sigma, a college student, is surrounded by eight unfamiliar faces. They learn that their only path to freedom lies in the 'Nonary Game,' a high-stakes challenge of trust and deception where choosing allies wisely means survival. As tension rises, suspicions grow as they discover that the orchestrator of their plight might be among their own ranks, casting doubt on every alliance formed.