Karafuto 1945 Summer Hyosetsu no Mon

Karafuto 1945 Natsu Hyōsetsu no Mon , also called Gate of Ice, is a 1974 Japanese war film based on the Soviet Union's invasion of Karafuto during the Soviet–Japanese War near the end of World War II. The movie is set in Maoka, and the story is based on the deaths of nine women who worked in the postal telegraph office in the city. Twelve women worked in the office, and on August 20, 1945, nine of them committed suicide.