Neither Mr. nor Mrs. Bucket can accompany Charlie to the factory. Mr. Bucket must search for work to put food on the table and Mrs. Bucket must care for the invalided grandparents. Magically, Charlie’s oldest and most beloved grandparent, Grandpa Joe, springs out of bed for the first time in decades. Charlie’s lucky find has transformed him into an energetic and almost childlike being. Grandpa Joe and Charlie set out on their adventure.