Rescuing a squirrel after an accident involving a vacuum cleaner, comic-reading cynic Flora Belle Buckman is astonished when the squirrel, Ulysses, demonstrates astonishing powers of strength and flight after being revived.

Crossing the Great Mountains to return home, Bird and Squirrel rescue a baby bear from wolves before Bird suffers a bonk on the head that gives him amnesia, a situation that tests Squirrel's ability to protect his friends.