The play traces how an invading army overturns ordinary domestic life in a small village and later in England, moving between homes to show civilian responses. Scenes juxtapose festive preparations and family intimacy with the arrival of officers and the tensions of occupation, revealing fear, loyalty, and moral strain. Characters include military officers, a reverend, a doctor’s family, servants, and Red Cross personnel, whose interactions expose shifting power, private courage, and social fracture. The three-act structure alternates between intimate interiors and the broader consequences of war, emphasizing how invasion penetrates routines, tests relationships, and forces ethical choices.