About the film
The Emperor's Naked Army Marches On is a 1987 Japanese documentary film by director Kazuo Hara. The documentary centers on Kenzō Okuzaki, a 62-year-old veteran of Japan's campaign in New Guinea in the Second World War, and follows him around as he searches out those responsible for the unexplained deaths of two soldiers in his old unit.
From the film's Wikipedia article (CC BY-SA 4.0).