The Thin Red Line is a war film directed by Terrence Malick, based on the novel of the same name by James Jones. Set during World War II, the movie follows a group of American soldiers as they fight in the Battle of Guadalcanal. The Thin Red Line explores the existential and philosophical questions raised by war, delving into the inner thoughts and experiences of the soldiers. It is known for its poetic and introspective approach to the war genre.