When Professor Fauna spots a unicorn horn mounted on the wall of the Schmoke Brothers' living room, the Unicorn Rescue Society heads to the Himalayan mountains of Northern Pakistan to finally see a unicorn themselves.
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.