The Great Hero Yi Sun Shin(1971)

The Great Hero Yi Sun Shin is a historical drama about Korea's most celebrated military commander. During the Chosun dynasty, General Yi Sun Shin defeats Japanese invaders using the world's first armored warship, the legendary Turtle Ship. Yet his triumph breeds jealousy among court rivals who conspire against him, stripping him of rank and influence. Undeterred by political treachery, Yi continues to serve his nation with unwavering devotion, prioritizing Korea's survival over personal ambition. The film draws from Yi's own wartime diary, chronicling his strategic genius, moral courage, and the personal cost of defending his country against overwhelming odds during one of history's most pivotal naval campaigns.