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.

Beleaguered police detective Nishi takes desperate measures to try and set things right in a world gone wrong. With his wife suffering from leukemia and his business partner paralyzed from a brutal gangster attack, Nishi borrows from a yakuza loan shark and then robs a bank to clear his debt.