Charlie Bone hopes that the new term at Bloor's Academy will hold no unwelcome surprises. But then his distant relative Henry Yewbeam appears out of thin air, twisted through time from 1916 by Henry's wicked cousin, Ezekiel Bloor. Ezekiel, who is still alive, still nasty, and now ancient, vows to track Henry down and get rid of him once and for all. And with Charlie's scheming Yewbeam aunts also on the prowl, Henry desperately needs Charlie's help...