Through an heirloom music box, Leo, a serious, responsible boy, and his badly-behaved cousin Mimi enter the magical world of Rondo to rescue Mimi's dog from a sorceress, who wishes to exchange him for the key that allows free travel between worlds.
Lief and Barda search for the seven lost stones of the Belt of Deltora, hoping to rid their land of the evil Shadow Lord, who has enslaved Deltora's people and hidden the stones in the most dangerous places in the kingdom.
Although Soldeen has given Lief and his friends the gem, the sorceress Thaegan arrives to avenge her children. Lief and the other warriors must shed one drop of her blood to defeat her.
Lief, Barda, and Jasmine travel to the Lake of Tears and discover that the giant monster Soldeen that lives in it has one of the gems of Deltora. But even if they could obtain it from so monstrous a creature, they will still have to escape from the evil sorceress Theagan.
Although Jasmine warns Lief and Barda not to go through the territory of an evil sorceress, they ignore her warning and walk straight into the witch's minions.
Sixteen years after the rise of the oppressive Shadow King and his Grey Guards, Jarred prepares his son, Lief, to embark on a quest to locate seven sacred gems that will allow Deltora's true king to retake the throne.
After the king and queen of Deltora die and their young son, Endon, ascends to the throne, Endon's best friend Jarred uncovers a plot to strike the royal palace from within. Before he can act, he is accused of murder and must take refuge outside the castle walls until he is needed.
