It's summer and Little Kunoichi's friends are away on vacation. After exploring every nook and cranny of her super, super secret island home with her pet, Bunny, she is bored, bored, BORED! Little Kunoichi shares her ideas to spice things up--a new bike, another pet--with her parents. But they have a better idea: a visit to her wise, quirky, and creative grandma, Ba-chan!