Kate is upset when grandma (Bubbie) gets a motorized scooter. Will Bubbie still be Bubbie in that scooter? Kate slowly warms to the scooter after she sees what a good friend it is to Bubbie. And shopping at Granville Island turns out to be so much fun! Her little brother Nate loves the scooter's bells and whistles, and Kate makes new friends on their joyous outing.