Saoghal's four kingdoms, Gwrtheryn, Loch, Ddraig and Faire, plunged into the depths of chaos of which there is only one cure: wait five centuries for a bunch of bickering human teens to come and save them. The grateful changelings of Gwrtheryn, the saddened selkies of Loch, the powerful dragons of Ddraig and the comical fairy creatures of Faire, all await their descendants in this five-part epic adventure of unlikely friendships, courage, sacrifice and war.