Cesar Millan has the uncanny ability to rehabilitate problem dogs of all shapes and sizes. Capturing the national spotlight with his hit TV show on the National Geographic Channel, Cesar's guidance and teachings help dogs and their owners live happier lives together. Nunu and Kane Meet Nunu, a Chihuahua infamous for attacking anyone who comes near his owner. Meanwhile, at 160 pounds, Kane is a giant, neurotic Great Dane. Can Cesar tame the ferocious Nunu and help Kane overcome his anxieties? Opie and Flirt a charmer around people, goofy and affable Opie becomes aggressive around other dogs. Meanwhile, Flirt, the Chinese Crested, is beyond a handful. But is it all the dogs' fault? Ruby and Rana Scared of everything, Ruby deals with her neuroses by biting. Rana the Sheltie goes ballistic whenever the toaster pops. Despite these very different problems, Cesar shows how they can be handled the same way.