Based on Frank Miller's graphic novel, "300" is very loosely based the 480 B.C. Battle of Thermopylae, where the King of Sparta led his army against the advancing Persians; the battle is said to have inspired all of Greece to band together against the Persians, and helped usher in the world's first democracy.

This is the true and astounding saga of the Spartans at Thermopylae. It is among the greatest tales of war ever recounted. All the glory and grit of these warriors' last stand is captured in this exceptional documentary. It is almost impossible to understand how 300 Spartans managed to hold off the million-man Persian army for even a moment, much less seven days. To a man they paid with their lives but their stunning Last Stand assured that their sacrifice would resonate throughout history. Transporting dramatizations and incisive graphics put you in the heat of the battle and show the lay of the land. The complications and strategies of the conflict are revealed through careful analysis, and critical moments are reconstructed to show exactly what happened. Discover what the Spartans were fighting for, what made them capable of such heroics and what drove them to such sacrifice.

Pheidippides, a brave soldier and messenger of ancient Athens, is ordered by the Athenian general, Miltiades, to run to Sparta and request aid to confront the Persian army led by King Darius the 1st, in the Battle of Marathon.