Fearing punishment from Queen Denteena for not finding any good teeth, an unlucky tooth fairy takes a boy down into the underground kingdom of the tooth fairies so he can explain that his tooth fell out but he mislaid it.
When Kara finally loses a tooth and can't find it anywhere, she wonders if the Tooth Fairy will still come, if she will bring a gift, and what she does with all those teeth.
As Class Picture Day approaches, Robby is upset about being the only child in class who has not lost a tooth, and so he writes a letter to the Tooth Fairy in hopes that she can help.
Peter can't decide if he wants his loose tooth to fall out because if it falls out, he will have a gap in his smile for the school pictures, but money from the tooth fairy will help him buy a new basketball.
Fifth-grader Cliffie feels that nothing has been right in his life since his parents got their divorce and his front teeth began growing out over his lower lip.