Felicio's father does not believe in the tooth fairy, the Sandman, or Santa Claus, but when he loses a tooth and odd things start to happen, including the Tooth Fairy arriving, he slowly begins to change his mind.
Jane's mom and grandmother tell her that the Tooth Fairy will pay her money for her loose wiggly tooth, but Jane decides that she would rather keep the tooth.
Hoping to get back her lost tooth, Emma writes a series of letters to the Tooth Fairy, but when the wrong teeth keep getting returned the mistakes create complications.