For a thousand years, the ancient city-state of Antemir has lived in isolation. None of the residents can leave it, because there is only one punishment for leaving the city - death. Only criminals and those who fight with them dare to get outside the city walls. Apart from them, only the dead can leave the city, for since ancient times the noble dead, on boats, were sent beyond its borders, along the River of the Dead - towards Eternal Peace. Rob the dead - it's an unworthy thing. However, there are situations when worthy people do something similar... When an officer from the guard of the imperial citadel receives the task of going after a dead man in order to take a jewel from him, he acts without hesitation. The matter does not promise to be difficult... However, even such a simple matter can end in the most unpredictable way...