'The Great Fables Crossover' part 5 of 9! Bigby Wolf, Snow White, Gary and Mr. Revise are hot on the trail of Kevin Thorn and determined to stop him before he can write the universe out of existence. But Bigby has problems. He's not a Big Bad Wolf anymore. Nor is he a man. So, what's happening? Is his long-dormant changeling nature asserting itself?