Lucky's efforts to settle in the forest with his fellow Unleashed Dogs is challenged by a fierce wild pack that wants to claim the land, prompting a daring plan by Bella that tests Lucky's cunning and intelligence.

"Lucky and the rest of his Pack encounter another group of dogs that has survived the Big Growl--and these new dogs may be their most dangerous enemies yet"--

With Sweet as their new Alpha, the dogs of the Wild Pack hope they will finally find peace, but Lucky is still troubled by visions of a terrifying future that will force every dog to fight tooth and claw for survival.