After pushing a broom for centuries, Merlin's apprentice, Douxie, springs into action when the great sorcerer asks him to find the Guardians of Arcadia.
Douxie, Claire, Steve and Jim meet the legendary King Arthur and his sister, Morgana, in medieval Camelot — where being a troll is punishable by death.
With the future at stake, Douxie and Claire cling to the hope that Arthur and Morgana can reconcile. Meanwhile, humans are hunting trolls in the woods.
With the fateful battle underway, every hero must do their part to stop the Arcane Order, banish Gunmar and ensure that history plays out as it should.
After returning to the 21st century, Jim makes a surprising sacrifice ... and a familiar face joins the fight. The Green Knight finally reveals himself.
