When young Wolfkit is made an apprentice, Horror goes down in-between the clans. A terrible disease has passed from twoleg to kitty pet, and eventually kitty pets passed it to thunderclan, and so on. Known to the three over clans now as 'The Flesh Eating Cats' these zombie like cats are fast and strong, being able to kill a cat in a bite and make it one of their own. These cats a mindless, and go on the smell of blood. Many clan cats get infected as the flesh eating cats bite more and more of their neighbours. Wolfpaw and her two friends Nightpaw and Brackenpaw escape to the barn, but fear for their classmates and the arrival of the flesh eating cats. Will they make it through? Or is this just a chain of disaster for the whole race of cats?