In this gripping psychological thriller directed by Oliver Hirschbiegel, a group of men participates in a simulated prison experiment that spirals dangerously out of control. The film stars Moritz Bleibtreu and Christian Berkel, who deliver intense performances as participants caught in the escalating tension between guards and prisoners. Inspired by the infamous Stanford prison experiment, the narrative explores themes of authority, identity, and human nature. This thought-provoking film can be viewed on 123Movies / Movies123 for free.