16VC High King Uther rages at his bastard son Arthur and exiles him, and Merlin sees a vision of terrible destruction in newborn baby Mordred’s future.

16VC Merlin finds Arthur and asks him to return to Britain, and Gundleus arrives at Avalon.

16VC Arthur takes Gundleus prisoner and learns that his uncle Gorfydd is preparing for war.

16VSC Nimue returns to Avalon, where she is found by Merlin. Derfel and Owain travel to collect taxes from King Cadwys, but he convinces Owain to raid a nearby mine to settle the debt instead.

16VC Derfel feels uncomfortable about the attack on the mine, which Owain is keeping a secret.

16V Arthur and the tribe kings enter peace talks, and Arthur suggests that as a show of faith, he marry Gorfydd’s daughter, Ceinwyn.

MV A line-up of activities are set for the nights before Arthur and Ceinwyn are married. Gundleus attacks Derfel.

MVC Arthur believes that Bedwin will be able to negotiate peace with Gorfydd.

16VSC Arthur is in his darkest hour but regains his conviction thanks to Guinevere and Excalibur.

MVC Derfel finds Nimue inside the Isle of the Dead and, Arthur vows to fight to save Britain.