Pax and Peter have been inseparable ever since Peter rescued him as a kit. But one day the unimaginable happens: Peter's dad enlists in the military and makes him return the fox to the wild. At his grandfather's house three hundred miles away from home, Peter knows he isn't where he should be-with Pax. He strikes out on his own despite the encroaching war, spurred by love, loyalty, and grief, to be reunited with his fox. Meanwhile Pax, steadfastly...

Peter y Pax, su leal zorro, son inseparables. No obstante, cuando sucede lo impensable y su padre tiene que partir a la guerra, Peter se ve obligado a abandonar a Pax a su suerte. Pero Peter sabe que su lugar está junto a Pax. Espoleado por una amistad inquebrantable, se lanzará a la aventura y cruzará el país en guerra para reunirse con su zorro. Pax, esperando con paciencia su regreso, tendrá que enfrentarse solo a los peligros del bosque......