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.
What must Nimue do to save her son? Strike up a deal with the last person she’d ever team up with… Bridgette, her mother.
Meanwhile, Duncan must find another living legend. But are they an ally...or another monster to defeat?