Middle of the 15th century. The Muslim army inflicted a heavy defeat on the Christian troops. The last Crusade ended in disaster, and now there is only one barrier between Europe and the Turks - Constantinople. The young Sultan Mehmed dreams of winning a battle like no other in history. Having conquered the city of the Caesars, he will appear before the whole world as a skilled commander and sovereign. A handful of Christian warriors, led by the Genoese Longo, stand in his way, eager to avenge the death of his parents. But the fate of the city will be decided not only by weapons...