In this South Korean horror-thriller, a group of elite high school students finds themselves trapped in a deadly game when a mysterious voice announces that they must solve a series of puzzles to prevent their classmates from being killed. As the tension mounts, the students must confront their darkest fears and secrets to survive. The film stars Nam Gyu-ri and Lee Beom-soo, delivering intense performances that heighten the suspense. Directed by Hong-Seung Yoon, this chilling tale keeps viewers on the edge of their seats. For those interested, it can be viewed for free on 123Movies / Movies123.