Hacksaw Ridge is a war movie directed by Mel Gibson. Based on a true story, the film follows the experiences of Desmond Doss, a conscientious objector who served as a medic during World War II. Despite refusing to carry a weapon, Doss saved the lives of many soldiers during the Battle of Okinawa. Hacksaw Ridge explores themes of courage, faith, and the power of non-violence in the face of war.