When Will steps through a mysterious portal at the zoo he`s transported into the world of the Night Zoo, and thrust into an incredible adventure. Bestowed with a zookeeper`s uniform and a magical teleporting torch, he`s tasked with protecting the zoo`s inhabitants.

In this story, Will, Riya and Sam the Spying Giraffe must travel to a mountain flying high up in the sky! They are in search of a famous hero who can help protect the Night Zoo from the evil Lord of Nulth.

Our brave companions must climb a frozen waterfall, care for a hungry wolf, made entirely of a biting wind, and finally enter a dark ice cave. But, will our heroes find an ally or an enemy hiding within?