Dangerous Fairies. A Magical Snow Globe. Discover the adventures of the Celtic Kids. Caitlin and Sean O'Brien hear the wail of a banshee. Trouble is on the horizon. The Fay Seekers are on a quest to stop the evil spirit before it keens three times or the Kingdom of Muir is doomed. But before they can end the banshee's mission of misfortune, they have to escape King Daft's dungeon, break into the royal treasury, and fight a toxin spewing serpent. Will the twins be in time? Or is the Kingdom of Muir doomed?