 Gen and his brother Shinji help their father, Daikichi, in the family's wheat field and try to find food for Kimie.Daikichi and Kimie realize the war is not going well, though they wonder why Hiroshima has been spared from the air raids which devastated other Japanese cities.On August 6, 1945, Gen and a friend arrive at school just as a lone B-29 aircraft flies overhead.