When Utterly gets the chance to visit the island of Summertide, she is excited to explore. But all is not as it seems. Deep, old magic is stirring, and a sleeping power is growing restless. What is the wild secret that lies beneath the land? And who is the antlered figure haunting her dreams? To uncover the answers, Utterly will have to summon all her strength, and battle a foe with ancient and terrible powers…