Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.
In the turbulent Joseon dynasty, army commander Min-jae watches ambitious Prince Yi Bang-won while becoming entwined with Ga-hee, a vengeful gisaeng. Fate collides as power shifts.
When his client suddenly confesses to murder in open court, a hotshot attorney embarks on a search for truth to redeem his ruined reputation.