Peter the Great, having become Tsar of Russia, using his shipbuilding knowledge acquired in a foreign country to establish a navy, and being able to use it, provokes a war with Sweden, defeating that country at the Battle of Poltava. This battle marks a turning point between Peter and Russia. His only son turns out to be a coward, meets a refugee girl and makes her his Empress, alienating himself from the church and many nobles. All these factors lead to a conspiracy...