Find out what goes on behind the scenes in an animal emergency room -- and get to know the dedicated kids who help save the lives of animals! Nine-year-old Stella Sullivan loves animals, from cuddly kittens to the wild inhabitants of Gateway National Park near her home in Montana. Luckily, her aunt's a veterinarian who can help when Stella finds an abandoned puppy that might die without her. Meanwhile, Stella's helping save a desperately ill horse, a chocking dog, and a paralyzed bald eagle. She's also organizing kids who want to bring wolves back to the park. But it's the puppy she cares about -- will round-the-clock feedings be enough to save its life?