Afterbreakingoutofarehabilitationzoo,Frankie,asquirrelwithalltheangles,returnstohisforest.Helearnsfromhisdim-wittedbestfriend,Cody,aporcupineandstreet-con,thatwhilehewasinlock-up,theentireforestwaspickedcleanbyTheA.C.O.R.N.S.Institute(AlternativeCosmeticOilsforRegenerativeNaturalSkin-care).Noacornwasleftbehind.Withwinterjustaroundthecorner,itsrefusaltoparticipateleavesFrankieandhiscrewonecrittershort.Witheverythingontheline,FrankieandhiscrewofAnimalCrackerzsetouttopulloffthebiggestheistinanimalhistory!
