In the late 16th century, Korea faces the threat of invasion by Japanese forces. The Korean naval admiral, famed for his cunning tactics, is pressured to defend his homeland despite being undermanned and underequipped. The story begins with the ominous presence of the Japanese fleet, looming on the horizon, ready to strike—a vast and well-supplied force compared to Korea's struggling navy. The admiral, an astute and relentless leader, devises a plan that relies on the strength of his understanding of the sea and his innovative thinking rather than sheer numbers. With the enemy advancing quickly, the admiral gathers his officers and sailors, instilling in them a strategic mindset and a sense of courage. As he carefully maps out the waters and resources available to him, internal struggles within his ranks surface, challenging his leadership.

Alongside the naval preparations, alliances and conflicts on land play a significant role; tensions arise not only from the external enemy but from uncertain loyalties within. These internal conflicts threaten to destabilize the strategic plans already on shaky ground. With time working against him, the admiral must navigate both the physical tumult of warfare and the psychological battles against fear and betrayal. He leads his fleet toward a high-stakes confrontation where clever strategy could turn the tide of battle. Through patience, wisdom, and innovative naval tactics, the admiral’s leadership is put to the ultimate test as he strives to protect his nation against overwhelming odds in an atmosphere of growing tension and impending conflict.