Sally is having a good time playing games and eating sweets at a birthday party. When it is time to leave, she gets upset and cries. She cries so much that her belly button pops out, and her stomach wiggles out of her body Stomach runs away in search of exciting adventures and delicious treats. Stomach begins to feel sick. Then he discovers a surprising way to make himself feel better – and make room for more yummy goodies too Stomach continues to stuff himself with all sorts of tasty treats until he realizes that he misses Sally, and that too much junk food can make you sick.