When a group of Nationalists use an ancient artifact to bring a villain from Arthurian myth back from the dead to gain power, ex-monster hunter Bridgette McGuire escapes her retirement home and pulls her unsuspecting grandson Duncan, a museum curator, into a world of magic and mysticism to defeat a legendary threat.
With Merlin—and the magic he wields—back at his side, King Arthur is stronger than ever. Brigette and Duncan continue to fight against Camelot’s dark forces, but when Merlin calls to life another story entirely, will the two heroes save the day? Or will they find themselves becoming the villains they’re sworn to defeat.