Long ago, sealers hunted the cold southern oceans with harpoons and clubs.
Sydney the penguin, who was an inventor, lived at a safe beach - safe, that is, until a monstrous shadow drifted out of the mist, bristling with harpoons and cudgels.
With his friend Bill the whale, Sydney devised a cunning invention to frighten away the dangerous intruders and make the beach safe once again.
