Now demonized as the Wicked Witch of the West, Elphaba (Cynthia Erivo) lives in exile in the Ozian forest, while Glinda (Ariana Grande) resides at the palace in Emerald City, reveling in the perks of fame and popularity. Glinda convinces Fiyero (Jonathan Bailey) to marry her, while Fiyero is now the Captain of the Army and leads them in a search for the Wicked Witch.

Nessarose (Marissa Bode) is the mayor, and has Boq (Ethan Slater) working for her. But when he doesn't return her affection, it angers her and she takes out her frustration on him and all munchkins in Oz. As an angry mob rises against the Wicked Witch, Elphaba will need to reunite with Glinda in an effort to transform all of Oz for good.