Mumble (voiced by Elijah Wood) has been expelled from the colony. His dancing upsets the elders, but he finds that Adelie penguins have a much more open attitude.
After a long winter, Memphis (voiced by Hugh Jackman) prays for the return of the sun. As the thaw begins, the Emperor penguin eggs hatch all over the colony – except for Memphis’s egg.
A trip by the Tasmanian Sea Fisheries' Board patrol boat 'Allara', and its skipper, Tom Challenger, from Hobart to Storm Bay where a barracouta fishing fleet are at work.
The reef’s vibrant and abundant marine life is shown including coral, fish, seahorses and a stingray. Tourists walk amongst the rock pools in the shallows.