Hellbent on taking over Earthrealm, Kano viciously attacks town after town with the aid of three cold-blooded Black Dragon mercenaries. Those who don’t submit are annihilated but one young man…

King Leonidas (Gerard Butler) of Sparta and a force of 300 men fight the Persians at Thermopylae in 480 B.C.

While King Leonidas and his 300 Spartans have their date with destiny at Thermopylae, another battle against the Persians is brewing, this time at sea.