[Shadows of War] was a war movie set in World War I, and it tells the journey of one of the recruits of the English army, Ethan George.
Although there are movies made about World War I, [Shadows of War] doesn't take its story from a memoir or a biography or try to show a significant event during the World War.
It takes the viewers on a ride as they follow the main character, who is actually a fictional character written by the director, Lincoln himself. There wasn't any such recruit in the World War, so Lincoln made a character that would go through several major events and survive through each one of them.
The movie focused less on the thrill and brotherhood of the army and war and instead on the mental toll it takes on a soldier.
Ethan didn't make any friends who stayed with him until the end. He was mostly alone in the movie, and before anyone could become his friend, they would die.