It is a time of great war and you'll have to choose which side you're on. Soon powerfull neighbors of Poland - Russia and Sweden - sense an opportunity and attack the weakened Commonwealth, invading it's lands.
In 1648 Bohdan Khmelnytsky leads cossack rebellion that turns into a Ukrainian war of liberation from Poland - Zaporozhian Cossacks, allied with the Crimean Tatars, fight against the armies of Polish-Lithuanian Commonwealth. The mod takes place in XVII century, in the time, that is known in the history of Poland as The Deluge. There was a grand eclipse of the sun in the summer and shortly after, a comet appeared in the sky.' Contemporary chroniclers recall the huge numbers of locusts swarming from the Wild Fields and destroying crops and grass, which forecast Tartar raids. '1647 was a strange year in which signs on earth and the sky seemed to announce disasters and unusual events.