Set against the backdrop of World War I, L.A.G. Strong's The Last Enemy follows Denis, a sensitive young schoolmaster at a preparatory school, as he navigates the turbulent transition from youth to adulthood. The story centers on his deep internal struggles with personal identity, existential fear of death, and the heavy societal pressures of wartime. Through his daily interactions with eccentric colleagues and students, Denis undertakes an introspective journey to confront his anxieties and establish his own values in a rapidly changing world.