Watch Free Online HD Moviesjoy. Starting immediately after the first siege of Vienna took place in the previous century narrates the conflicts that preceded the events of September 11, 1683, known as the Battle of Vienna. The film shows the circumstances of the second siege of Vienna and the onslaught of the Ottoman Turks led by Kara Mustafa against the Habsburg Monarchy: the massive attack was stopped by King John III of Poland, who managed to reduce the Ottoman expansion in the Old Continent.