480 BC. The King of Persia Xerxes declares war to the Greek states that have not surrendered before him. General Themistocles, a convinced democrat, leads the fleet that will fight in the Straight between Salamis and Athens to stop expansionist plans of Xerxes, the terrible King of Persia who wants to dominate all East. Themistocles’ fleet, formed by brave Athenian and Spartan soldiers, defeats the enemy, superior in number, after a brutal battle. The cunning of warrior Arthemisia and her betrayal to Xerxes will be crucial in the final battle.