In the 9th century, a tyrant oppresses pre-Christian Slavic tribes living on the Polish lands. They must unite for the common future.In the 9th century, a tyrant oppresses pre-Christian Slavic tribes living on the Polish lands. They must unite for the common future.In the 9th century, a tyrant oppresses pre-Christian Slavic tribes living on the Polish lands. They must unite for the common future.