Let's be honest: the dog is not samurai material. The cat is different. The cat is a born samurai. He has innate grace, speed and claws as sharp as a samurai sword. Hank is a dog and nothing will change that anymore, but from a puppy he dreams of becoming a samurai. He is a stubborn animal, so he comes to the cat's island to learn from a legendary warrior against nature and meowing taunts. He's doing quite well, but he is certainly not ready when the moment of trying comes. The legendary villain, the greatest enemy of the feline family, comes to the island to chase away all the cats, kittens and kittens from it. Only Hank can face it, but he can't do it alone. He has to convince the cat that it is worth trusting the dog and put his paw in the fight for his beloved home.