Synopsis: Heath Ledger starred in this little-seen but high-caliber series set in 400 A.D. Ireland, playing the brave, orphaned Prince Conor. Conor sets about uniting the Celtic clans against the invading Romans, and also must contend with the evil sorcerer, Longinus (Sebastian Roché). Aiding him... Heath Ledger starred in this little-seen but high-caliber series set in 400 A.D. Ireland, playing the brave, orphaned Prince Conor. Conor sets about uniting the Celtic clans against the invading Romans, and also must contend with the evil sorcerer, Longinus (Sebastian Roché). Aiding him are former slave girl Caitlin (Vera Farmiga), the brash young Tully (Alonzo Greer), and Conor's protector, Fergus (John Saint Ryan). [More]