On the island of Arcosi; dragons and their riders used to rule the skies. But now they are only legends; found in bedtime stories; on beautiful murals and ancient jewellery. Then servant girl Milla witnesses a murder and finds herself caring for the last four dragon eggs. Forced to keep them secret amidst the growing tensions in the city; she begins to fear that the island's ruler; Duke Olvar; isn't all that he seems. But how can Milla and her friends keep the eggs safe when it means endangering everything she's ever loved? Fiery friendships; forgotten family and the struggle for power collide as Milla's fight to save the dragons leads her to discover her own hidden past.