Himlous the young fox is finally ready to take his first hunting exam.

But everything turns out differently than planned. When his older brother Hexnas wants to show him how to catch a pheasant, they are suddenly attacked by the dogs. But the wild beasts have been considered extinct for a long time. The hunting dogs get a hold of Hexnas and kill him, Himlous barely escapes with his life. Yet Hexnas, as the oldest of the royal sons, was supposed to succeed to the throne. Even worse, however, is the return of the dogs. What are they planning?

As the youngest of the royal sons, Himlous is not believed by either his parents or his siblings.

But he suspects that this time the dogs want to completely wipe out the fox kingdom. So he has to go out and stop them himself...