1677. Seventeen-year-old Hector Lynch and his sister are snatched when Barbary corsairs raid his Irish village. Sold at auction in Algiers, and thrown into a bewildering world where life is cheap and only the quick-witted survive, Hector befriends fellow captive Dan, a Miskito Indian from the Caribbean. Desperate to find his sister, Hector finally stumbles on the chilling truth of her fate.