Alchemist-astrologer Johannes Faust's desire for knowledge leads him into a pact with the devil with his demon Mephistopheles at Waardenburg Castle in Waardenburg, Netherlands. Rockfleet Castle, a strategic stronghold in Newport, County Mayo, Ireland becomes the center of Pirate queen Grace O'Malley and powerful chieftain Richard Burke who clash in a tale of passion, betrayal, and later, love. During the English Civil War, captured King Charles I plans an escape from at Carisbrooke Castle in Carisbrooke on the Isle of Wight, England.