Decades after losing her husband, Kaoru has been single-handedly raising her two sons, Toshio and Hiroshi. One day, Kaoru tells her sons that she is going to the movies with a man she met at her part-time job, but this one word throws the family's happy life into disarray... That night, Toshio and Hiroshi sneak into Kaoru's bedroom to destroy the movie tickets. They can't find what they're looking for, but the boys can't take their eyes off Kaoru's sleeping form as she snores.