"Hope is keeping a light on, however dark things seem." Comet is Finn's dog, and his very best friend. They do everything together. But one day Comet won't get out of his basket - not even for his very favorite things The vet tells Finn that Comet needs to stay in overnight for an operation. That evening, Finn sits in his den feeling very alone. Dad tells him to keep on hoping. That night, as Finn sleeps, thousand of little lights...