The Imjin War reaches its seventh year in December of 1598. Admiral Yi Sun-shin learns that the Wa invaders in Joseon are preparing for a swift withdrawal following the deathbed orders of their leader Toyotomi Hideyoshi. Determined to destroy the enemy once and for all, Admiral Yi leads an allied fleet of Joseon and Ming ships to mount a blockade and annihilate the Wa army. However, once Ming commander Chen Lin is bribed into lifting the blockade, Wa lord Shimazu Yoshihiro and his Satsuma army sail to the Wa army’s rescue at Noryang Strait.

Leta 1592 se admiral Yi Sun-sin in njegova flota soočijo z močjo invazivne japonske mornarice in njenih mogočnih vojnih ladij. Ko korejske sile zapadejo v krizo, se admiral zateče k uporabi svojega skrivnega orožja, ladij z zmajevo glavo, znanih kot geobukseon, da bi spremenil tok te epske bitke na morju.

The film mainly follows the famous 1597 Battle of Myeongryang during the Japanese invasion of Korea 1592-1598, where the iconic Joseon admiral Yi Sun-sin managed to destroy a total of 133 Japanese warships with only 13 ships remaining in his command. The battle, which took place in the Myeongryang Strait off the southwest coast of the Korean Peninsula, is considered one of the greatest victories of Yi.

A crown prince emerges as a leader during the war between Korea and Japan in 1592.

Admiral Lee Sun-shin designs and builds the 'Turtle Ships' in preparation of the Japanese invasion during the Injin War. He is promoted after his victories, but due to his expanding influence and increased popularity in military circles, the king comes to fear him and has him imprisoned. A year later, the Japanese navy attempts another invasion and the king is required to enter the prison and beg the admiral's assistance.

Kings and Generals animated historical documentary series on the history of Japan continues with an episode episode on the Imjin War - the Japanese Invasion of Korea between 1592 and 1598, during which the armies of the Shogunate fought against the allied Korean and Chinese armies. This conflict is famous for many dramatic battles and sieges, and the naval heroics of the Korean admiral Yi Sun-sin.