Key twists and final revelations include:
- The Mafia Identities: The Mafia team consists of Jin Da-bum, Kim So-mi, Park Woo-ram, Oh Jung-won, Ye-won, and Joo-won. Da-bum uses his role to systematically murder those who bullied him.
- The Truth of Park Se-eun: Classmate Park Se-eun committed suicide prior to the events of the show after being victimized by deepfake cyberbullying and social isolation. The entire class turned away and pretended not to notice her distress.
- Oh Jung-won's AI Identity: Oh Jung-won is not a real classmate. She is an AI program designed by Se-eun's father (a computer programmer) based on Se-eun's memory and friendship with Yoon-seo.
- The VR Simulation Twist: The retreat center and death game are taking place inside a neural virtual reality matrix. In the real world, the students are adults lying unconscious in VR pods monitored by Se-eun's grieving parents. When Yoon-seo wins the game, Se-eun's mother wipes her memory and restarts the program, trapping the class in an eternal cycle of death and psychological torture.