One day, Badger hears a noise outside his house. He discovers that three little birds have been separated from their flock, and the youngest has hurt her wing! The birds stay with Badger for the winter while the youngest recuperates, and when spring comes, it's time for them to try to find their flock. Clever Badger builds a flying machine, and the friends set off on a thrilling adventure. But will they be fast enough to reach the other birds?