According to ancient Chinese legends in Earthlings Undertaking, a special person will be able to find out the whole truth and at least some details about various conspiracies and myths. A turn-based strategy will be able to tell about the Kingdom of the Immortals. Due to an incident that happened many years ago, the inhabitants of the realm protected themselves from mortals so as not to cause problems. But one inhabitant of the immortal world was able to get into the human one. You have to survive on a completely different surface, trying to put everything in order. The player will become the leader of the tribe, trying to keep all their territories.