As her senior year of high school starts, Laurel is just beginning to adjust to Tamani's absence when he suddenly reappears, telling her he must guard her against the returning threat of the trolls that pose a danger both to her and to Avalon.

Henry and his friend Mr. Fogarty return to the Faerie Realm to help their friends, the royal siblings Pyrgus and Holly Blue, in their continued fight against the treacherous Lord Hairstreak and the evil forces of the Faeries of the Night.

After nine years Clare Macleod and her father are finally returning to their old home in Ireland, a house by the sea, with a yew tree growing inside it, a tree with its roots in both the human and fairy world--and soon Clare, who has always been able to sense the "Strange," meets the boy Finn, and discovers that she must battle against the forces of evil in to restore order to both worlds.