The adventures of Frank and Buster, two intrepid koalas on a mission to help creatures in the outback. Ned finds it hard to sleep because he is scared of the noises he hears in the night. He stays at the koalas' homestead, but is still frightened. The next day, the brothers show Ned the source of the noises to assuage his fears. But the following night, there is a new noise.