It's the night of the Small Hall Ball, and everyone in the Small family is getting ready for one of the BIGGEST parties of the year. Everyone, that is, except for Paul and Sally Small, who are too young to join in the fun. But when Paul's tiny teddy bear goes missing, he and Sally have no choice but to sneak into the festivities, and nothing--not secret doors, spooky passageways, or even a swinging chandelier--will stop the smallest of the Smalls from finding Paul's furry little friend.