When his father enlists in the military and makes him return his beloved pet fox to the wild, Peter, who has been sent to live with his grandfather hundreds of miles away, embarks on a journey filled with astonishing discoveries in order to be reunited with his fox.

It has been a year since newly orphaned Peter and his pet fox Pax, now a protective father, have seen each other, but their paths cross again when Pax's kit falls desperately ill forcing him to turn to the one human he knows he can trust.