When Wirt and Greg find themselves back home from The Unknown, they can't believe it's real. But their victory is bittersweet when they realize Beatrice is still with them. Now, it's up to these half-brothers to help Beatrice return safely to the Unknown before anyone realizes she isn't a normal bird. As the brothers juggle keeping Beatrice's secret safe they find their road filled with surprises as Sara expresses a newfound interest in Wirt... but it's not long before Beatrice notices that not everything is what it seems.