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A year has passed since Peter and his tame fox Pax last saw each other. They were once inseparable, but now each has his own life. Pax and his friend Angry have brought a litter of fox cubs into the world and must protect them from the many dangers they face. Peter, orphaned by the war and tormented by feelings of guilt and loneliness, leaves his adopted home with Volia and joins the Water Warriors, a community dedicated to healing the land from the scars of war.

When one of Pax's cubs falls seriously ill, the fox turns to the only person he can trust for help. The boy and the fox embark on a journey again - home, to healing, and to each other.