When young Lili is forced to give up her beloved dog Hagen, because it’s mixed-breed heritage is deemed ‘unfit’ by The State, she and the dog begin a dangerous journey back towards each other. At the same time, all the unwanted, unloved and so-called ‘unfit’ dogs rise up under a new leader, Hagen, the one-time housepet who has learned all too well from his ‘Masters’ in his journey through the streets and animal control centers how to bite the hands that beats him.