Set in the blooming 1960s, the film centres on two young brothers who are instantly robbed of their lives when they are placed in a boy's home forgotten by time. Armed only with a vivid imagination and a fickle hope, the boys engage in the frightening battle against Headmaster Heck and his lethal tyranny. The film is based on actual events.

WWII American Army Medic Desmond T. Doss, who served during the Battle of Okinawa, refuses to kill people and becomes the first Conscientious Objector in American history to receive the Congressional Medal of Honor.