The adventures of Frank and Buster, two intrepid young koalas who fly around the Australian outback in their yellow plane, on a special mission to help other creatures in need. When Ned hears George tell a tall tale about the Misty Wispy Wagaloo, it makes him long to be an adventurer, and search for the legendary creature himself. But it's Ned who needs to be found when he forgets to tell anyone where he's going.