Tom, Alice et l'Epouvanteur débarquent sur les rives irlandaises. Farrell Shey, chef de l'Alliance pour la Terre, fait appel à eux pour empêcher la prochaine célébration des mages.

Tom, the Spook's Apprentice, has travelled to Ireland, where he must tackle a group of evil mages. His dangerous mission leads him to the Destiny Blade - a sword with a dark side, and a thirst for blood. Could this new weapon give him a fighting chance against the Fiend? And dare he accept the help of Grimalkin, the terrifying witch assassin?