In the distant future, the human race nears extinction and a new race of beast-like creatures rule the earth. The few surviving people live in the City, a huge protected construction with the ability to travel in both space and time. The City travels back to our time to save humanity...

Max Rockatansky returns as the heroic loner who drives the dusty roads of a postapocalyptic Australian Outback in an unending search for gasoline. Arrayed against him and the other scraggly defendants of a fuel-depot encampment are the bizarre warriors commanded by the charismatic Lord Humungus, a violent leader whose scruples are as barren as the surrounding landscape.