Arthur struggles to defend himself against the mercenaries on Bardon Pass. Morgan leads Sybil and her followers to Camelot where she receives information that leads her to believe the throne is within her grasp.
Morgan's plan to overthrow Arthur is exposed. However, the nun Sybil takes credit for Morgan's treasonous schemes, claiming she planned everything and Morgan knew nothing about it. Sybil is executed, and while the public accepts this story, Arthur and Merlin are not deceived.
Leontes dies protecting Arthur at Bardon Pass and Igraine is killed by Morgan. Arthur strips Morgan of the name and banner of Pendragon and says her castle is no longer protected. Morgan visits Sybil's grave and, upon hearing a voice telling her to bear a child, disguises herself as Guinevere and has sex with Arthur.
