Gwen has succeeded in rescuing Michael from Faerie, but Michael is still under a spell that has caused everyone but Gwen to forget who he is. As Gwen works to undo the spell, she also pursues O'Leary – whom she discovers has been hiding right under her nose. O'Leary tells Gwen that Merlin's Stone is the key to saving her mother. Meanwhile, Merlin is attacked by Morgana.