Merlin must see through Morgana's deception as she uses Princess Mithian to lure Arthur to his doom.
Arthur is given the power to summon the dead. But his decision comes at a terrible price as he chooses to speak to his father. A mistake even Merlin may not be able to fix.
Three soothsayers curse the King of Camelot, but Arthur won't take them seriously. A decision that may put all of Camelot in jeopardy.