With Umbrasyl defeated, the Herd of Storms beginning a new chapter as part of the Rivermaw Tribe, and the city of Westruun restored to its people, Vox Machina journeys to Vasselheim as Vax'ildan confronts the heavy price of a bargain for his sister's life. After a short stay in Vasselheim, the party travels to Whitestone to meet old friends... and an old enemy?