From a top secret government lab come two genetically dog of astonishing intelligence. The other - The Outsider - is a hybrid monster of a brutally violent nature. Both have escaped. The dog finds its way to Travis and Nora, whose lives he changes dramatically, while The Outsider leaves a bloody and haunting trail in his search for the dog. The Federal Agents are quietly looking for both of them, but The Outsider, with frightening intelligence, continues to outmaneuver them. As long as he's loose no one is safe - especially the dog and those who love him. Will they ever be safe? Or will they spend their lives hiding from the nightmare that stalks them?