It should have been a happy 14th birthday. But Thomas Greystone's life turns upside down as he is drawn into an ancient legend of unimaginable magical power. For Thomas is destined to become the Archmage of Britain and stand against the evil Mordred in his attempt to stop the return of King Arthur in his country's hour of deepest need. The final battle looms on Lammas Eve ... with an ending no-one could foretell.