For the first time, the whole truth about the queen of the tooth fairies! Shhhh!.. Just let it remain a secret! Surely you know that if you put a lost baby tooth under your pillow, you can receive a gift from the tooth fairy. But did you know that her real name is Tusiana and she is one of the Guardians of Dreams? After the battle at the center of the Earth, the Guardians were confident that the King of Nightmares was finished once and for all. But the gloomy lord of Horror Stories doesn’t give up easily. Taking Katherine, the young Guardian, captive, Buka went to the mythical country where Tusiana once ruled. In this magical place, he hopes to become invincible. As always, Katherine's loyal friends come to the rescue: the magician Ombrik, the brave Nick the Northerner and Bunnymand the Rabbit. But few of them know that the mysterious tooth queen Tusiana not only knows how to leave coins as gifts for children, but also has tremendous power.