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.

After talking to an AI online, our protagonist, Mayne, is receiving strange phone calls from an unknown person. Soon he will have to face heavy threats, and get engaged into an action packed adventure to save humanity from evil forces.