Men and War II: Land of Love and Sorrow (1971)

As the Japanese military has established the puppet state of Manchukuo and is advancing its invasion of Asia, fighting intensifying battles against anti-Japanese partisans, the Godai zaibatsu becomes involved in large-scale opium smuggling. Shunsuke, second son of the Godai family, falls in love with a married woman. Meanwhile, Kohei, the love of the second daughter, Junko, throws himself into the anti-war movement.