In the middle of the 21st century, when Earth was on the brink of destruction, the Sphere was created—a gigantic megacity separated from the rest of the world by an insurmountable barrier of a stability field. During its development, the Sphere’s society repeated all the mistakes that once nearly doomed Earth. Those in power fought for power, while ordinary people, cut off from the Earth—which they believed was dead—desperately struggled for a place in life. It wasn’t Hell yet, but it was already the beginning of Hell’s prelude. And when Earth finally managed to establish contact with the Sphere’s residents, it almost turned into catastrophe…