When Tess, a tin foil ball, rolls onto the hill and meets Marvin, Ricky and the rest of the rocks, she immediately worries that she s too different from everyone else. But when the rocks go looking for a lost pebbles and get lost in the woods, it s up to Tess to save the day, as she realizes that everyone has value, and even a tin ball can be a rock star! Explores the concepts of self-confidence, friendship and cooperation.