Europe, 1709. Russia and Sweden are at war. Two French duelists are exiled by King Louis XIV of France: one to the side of Czar Peter the Great of Russia, the other to the side of King Charles XII of Sweden. Although separated by war and allegiance, fate has not finished with them.

The main character - a young girl Polina, in whose life, after the death of her parents, things are going far from rosy. Two newborns, unloved husband submariner. Suddenly, in her life appears one that should help her to be happy.