Ten years after the defeat at Marathon, Darius’ son, Xerxès, decides to follow in his father’s footsteps and seeks revenge from the Greeks. He orders the mobilization of countless troops, and his aim is clear: to punish Athens and subjugate all of Greece. In 480 BC, the battle of Salamis will be the turning point of the second Persian invasion of Greece. The defenders of the country will try to unite all Greeks against the Persian threat.