Can hardened criminals who once kept the whole kingdom at bay improve and become better teachers for teenagers? Gilly, the slickest thief in Charolandia, wouldn't believe it for anything in life! But she could not even think that she would have a chance to check it herself! After all, she just cleaned the pockets of spoiled princesses and other rich people in order to save her family from hunger. But one day, gnomes-policemen came to their boot house and sent her to re-education in the most unusual educational institution - the Fabulous Correctional School! The teachers here are former villains who scared all the children in the kingdom: Cinderella's stepmother, Sea Witch, Gray Wolf and Evil Queen, mistress of poisoned apples! Gilly will not only get out of here, but also find out what secrets her new teachers are hiding. However, she will not be able to cope with this without accomplices. There is only one question: can anyone be trusted at school?