During the second half of the 21 century, nuclear wars made life on earth uninhabitable. Settling on mars seems like the next best thing but only those with high status were accepted. The rest of humanity that were left built steam powered ships that stay afloat in the sky. There are nine massive ships or countries in the sky. Ship trade with other ships but a trading dispute may escalate into war. The sky pope is trying to intervene but he must remain hidden.
