A loyal knight unites the fractious English against the oppressive Irish, but is deeply conflicted after the woman he loves is compelled to marry his beloved King.
After the fall of Rome, the warlords of England are brutally kept in line by the forces of Irish King Donnchadh. One of these leaders, Lord Marke (Rufus Sewell) seeks to unite the English tribes to form one strong nation to rule itself. His greatest knight is Tristan (James Franco), whom Marke raised since he was orphaned in an Irish attack that also took Marke’s family. With Tristan by his side, Marke believes he can unify his people and rid England of Irish rule. But Tristan harbors a terrible secret…