It is 1918. The Allies have defeated the Central Powers and now US marines and US army troops are being sent to Germany for occupation duty. Among them are the men of B company, 1st Battalion, 5th Marine Regiment. Gunnery Sergeant Nathan Blackburn has seen the war through from beginning to finish and is relieved it is over. But when a strange cloud transports him and his comrades to a strange new land where they themselves have taken on strange new appearances, Blackburn soon realizes that his fight is far from over.