This animated tale focuses on Krypto the Super-Dog, otherwise known as Superman's pet. Since he has his own superpowers, Krypto enjoys saving the world with the Man of Steel. However, he finds himself challenged when Superman is kidnapped one day, and the other human superheroes can't help. With the help of superpower-infused animals in a shelter, it's up to Krypto to save the world and save his superhuman.