What is the fine-grained topic of the following text: Still haunted by the demons of his past, Max must team up with Imperator Furiosa, a renegade on the run to survive and bring order to the wasteland by combating the threat of the tyrannical warlord, Immortan Joe. Only return the topic.
Max and Imperator Furiosa's struggle against warlord Immortan Joe in a post-apocalyptic world