在鳴梁海戰發生的五年前，為了保衛陷入守勢狀態的朝鮮，李舜臣將軍與朝鮮水軍將以非凡的戰略和霸氣,展開氣勢磅礡的「閑山島海戰」。
公元1597年10月26日，朝鮮王朝名將李舜臣為阻止日軍沿黃海北上，利用鳴梁海峽的地理特點，與入侵的日本豐臣政權在鳴梁海峽展開一場海戰。結果李舜臣以十二艘板屋船擊退日艦三百餘艘取得此次海戰的大捷
壬辰倭亂爆發後過了7年的1598年12月，李舜臣將軍（金倫奭 飾）得知在日軍首領豐臣秀吉死後日軍急忙打算撤退的消息。李舜臣將軍認為必須完全殲滅日軍，才是結束這場戰爭的正確方式。於是便和明朝組成朝明聯合艦隊，阻擋日軍的退路，下定決心要殲滅敵人。然而，明朝都督陳璘（鄭在詠 飾）在日軍的賄賂攻勢下，打算為日軍開啟退路。雪上加霜的是，連日軍首領島津義弘（白潤植 飾）所率領的薩摩軍為了協助日軍撤退也朝露梁前進……震撼無比的最終之戰即將展開！
2005年，南北朝鮮聯合製造了核武器「飛擊震天雷」，但迫於國際列強的壓力，韓朝不得已交出核武器，民族強盛的願望眼看再次落空。朝鮮少校江民吉（金勝宇 飾）不甘心屈服，擄走參與項目的金博士（孔孝珍 飾）與飛擊震天雷，韓方派出少校朴政宇（黃正敏 飾）帶隊追索，正當兩方相遇之時，一顆彗星劃過天空，江、朴等人彗星的強大力量影響下透過扭曲時空來到了1572年的朝鮮……
江、朴等人機緣巧合將正在屠戮朝鮮人的女真人懾退，被朝鮮先民視為「天軍」。當夜，一名小偷偷走了他們的武器，而這名小偷，居然是朝鮮民族英雄——李舜臣（朴重勳 飾）。此時的李舜臣武科落榜，萬念俱灰，面對失意的民族英雄和倍受女真欺凌的先民，穿越時空的韓朝兩方軍人們為了各自的信念開始戰鬥……。
The staff of "The Admiral: Roaring Currents", the biggest film of all time at the South-Korean box office, has assembled once again for a documentary. Critically acclaimed director KIM Han-min and his team delves into the actual background, prelude, and preparations of Admiral YI Sun-sin in 1597 and how the admiral’s battle plans have won him his most remarkable victory throughout his career.
The story of Admiral Yi Sun-sin, the turtle ship, and the crew aboard the ship, which unfolded for two months from the Battle of Hansan to the Battle of Busanpo during the 7-year period of the Japanese Invasion of Korea.
Movie despicting the life and accomplishments of Korean Admiral Yi Sun Shin.
A famous general who defeated Japanese invaders with the world's first iron ship, 'Turtle battleship' during Chosun dynasty, was intrigued against by many villainous retainers. Even when he was reduced to a much lower rank, he served in the war worrying about the nation's wellbeing. This film depicts General Lee Sun-Shin who is probably the most famous general in Korean history, based on his 'Wartime Diary.'
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.