The Deltora Quest series follows the journeys of Lief, who has set out to complete his father's quest to save Deltora from the Shadow Lord. Joining Lief is an ex-palace guard Barda and wild child Jasmine, who is from the Forests of Silence and who can speak to trees. Their quest is to find the seven gems of the fabled Belt of Deltora: Diamond, Emerald, Lapis lazuli, Topaz, Opal, Ruby and Amethyst. The gems each have a special power and are hidden in dangerous locations around Deltora.