Late-1960s suburban Canadian children work on building a rocket vessel, with the intention of delivering one or two neighborhood children to the moon, whilst dealing with social issues of the coming-of-age, orphan-hood and family veins.
As an astronaut mourns the death of her canine companions, a pet shop employee sees to help her fill the fluffy void. Unsuccessful, they both despair until a comet an an unexpected visitor descend destructively upon the city. They hatch a plan to save the day with a cosmically large game of fetch.