Steve must solve the mystery of what happened to Mable. Who had taken her? Can he save him without Alex to help him?
With the world changing around them Steve, Larry, and Elysa must do their best to figure out what new evil is wreaking havoc on the Overworld.
With Alex far away, Steve will have to lead his friends on his most dangerous mission yet. Can Mable be found? Where is she and what sort of new creatures are lurking in the woodlands?