Johann of Mecklenburg quietly rules in Moscow. External enemies are defeated, and internal ones are brought to submission. In general, there is peace on earth, good will in man... But the good fellow is not sitting in one place. In the now distant Germany, the flame of the future Thirty Years War flares up, which will inevitably cover its ancestral lands. And what if you try to intervene in the inexorable course of history? Still, he is no longer the former prince-exile, but the sovereign in a powerful kingdom!