While the Dog Stars are repairing their ship on Earth, Krypto introduces them to Ace. He is soon mocked because he doesn't have any powers of his own, so he leaves. However, when Snooky abducts Hot Dog without leaving a trace, Ace may be the only one the Dog Stars can count on / Tired of living like a rat, Jimmy disguises himself as a dog. But when Mutsy's group wants him to join them, he may be in over his head.