Exiled from Mélusine for the crime of heresy, Felix Harrowgate and his half brother, Mildmay, jouney to the land of Corambis to face judgment from a ruling body of wizards. Both brothers carry memories, regrets, and – hidden deep in their hearts – hope. Corambis, however, is a land plagued by civil strife. Kay Brightmore, the Margrave of Rothmarlin, is part of an insurrection to restore the monarchy, but the rebels are losing badly. In desperation, Kay and his liege seek out the engine of Summerdown, an ancient magical device rumored to have terrible powers. When Felix an Mildmay arrive in Corambis, they encounter Kay and are drawn into the dark mystery of the engine of Summerdown. It has been awakened by the rebels, and only a powerful wizard can stop its awesome potential for destruction. Now Felix and Mildmay will take on their greatest challenge – and discover their ultimate destiny... (from the back cover)