老爺爺掉了一顆飯糰，飯糰滾呀滾到山坡下，老爺爺趕緊追著飯糰跑，沒想到卻跟著飯糰來到了夢幻國度......A poor old man went to a hill to chop firewood with rice balls made by his wife every day. One day, a break for lunch, a rice ball slipped out of the old man's hands, and it started rolling down along the slope. The old man ran after the rice ball, and came to a dream country...
