Lucky has always been a Lone Dog, but when the Big Growl strikes, his whole world changes. With danger at every turn, he has no choice but to fall in with a Pack of Leashed Dogs that includes his litter-sister Bella. When they encounter a fierce Pack of Wild Dogs that has laid claim to the forest, Lucky realizes their only hope is to unite as one group—but between the Wild Pack's ruthless Alpha and a forest full of enemies, surviving the difficult journey ahead will require all of Lucky's skill and cunning.
