Hardened by battle, seasoned by war, four adventurers caught in the path of one of history's most enigmatic leaders. 1571. At the great naval battle of Lepanto the Ottoman Empire is finally defeated, and it seems that Europe is safe. But then Nicholas Ingoldsby is summoned to London by the Queen herself and sent on a diplomatic mission to Constantinople, the heart of the old enemy - and then onward, to a little-known but rising...