Seven-year-old Alex starts to lose her baby teeth, begins a correspondence with the Tooth Fairy, and tries to accept the fact that her family is moving to a distant state.
Unhappy to be the only one in his class who still has not lost a tooth, first-grader Freddy tries to find a way to expedite matters but then is faced with another problem.
Sally the Tooth Fairy's first day on the job is a challenge when a toothless little girl hides her tooth and makes Sally follow a series of clues to find it.