SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
Hansan: Rising Dragon Plot Summary and Synopsis
A prequel to THE ADMIRAL: ROARING CURRENTS–the most-watched film in Korean cinema history–HANSAN: RISING DRAGON depicts the historical Battle of Hansando. In 1592, admiral Yi Sun-sin and his fleet face off against the might of the invading Japanese navy and its formidable warships. As the Korean forces fall into crisis, the admiral resorts to using his secret weapon, the dragon head ships known as geobukseon, in order to change the tide of this epic battle at sea.
Source: Wikipedia (CC BY-SA 3.0).