The state of Aquilonia, created from equal representatives of different times and peoples, united to jointly strive for a better life and resist the merciless Stone Age, is entering a phase of decisive changes. The return of the rescue expedition, which had grown in number both in terms of people and ships along the voyage, coincided with two unfriendly invasions, the last of which marked a new terrible and merciless enemy on the horizon. Now, in order to survive and win, the young state will have to jump literally several times above its own head.