When air pollution suddenly skyrockets in an Australian city with one of the best mass transit systems in the world, Gaia is suspicious. The Planeteers investigate and find out Looten Plunder and Argos Bleak are behind the problem. They are making it look like the transit line is haunted so that they can profit from massive freeway system and auto-related businesses. Thanks to teamwork Captain Planet and the Planeteers get things "back on track"