The film 127 Hours is based on the true story of mountain climber Aron Ralston who was trapped by a boulder in a Utah canyon for over 5 days in 2003. He examines how to survive and ultimately amputates his arm to free himself. The film focuses on Ralston's experience over the days as he recalls his life and struggles to escape. Starring James Franco as Ralston, the film provides an entertaining retelling of Ralston's harrowing ordeal through his memories and will to survive. Reviews praised the film and Franco's performance for bringing Ralston's incredible true story to life in a compelling way.