Every winter in Sapporo, Japan, soldiers from the Ground Self-Defense Force take on a task that has nothing to do with combat: building a snow sculpture weighing thousands of tons before the Sapporo Snow Festival opens to millions of visitors. The unit has done this since 1955, treating the build as a genuine training exercise in logistics, engineering, and teamwork under a hard deadline. The film follows the soldiers through the process, from trucking in snow hauled down from distant mountains when local snowfall runs short, to packing and carving the mass with heavy machinery and hand tools. Warm spells are the enemy throughout: soft snow won't hold detail, and a badly timed thaw can collapse days of work overnight. Interviews and on-site footage show the crew adjusting plans on the fly, racing temperature swings as much as the calendar. It is less a story about art than about a military unit managing an engineering problem with a melting deadline, ending with the finished sculpture standing before the crowds arrive.