The Immortal Lee Soon-shin is a South Korean historical drama that aired from 2012 to 2013. The series is based on the life of Admiral Yi Sun-sin, a prominent naval commander during the Imjin War in the late 16th century. It highlights his strategic brilliance and leadership in defending Korea against Japanese invasions. The drama features a mix of historical events and fictional elements, showcasing battles, political intrigue, and personal struggles. It emphasizes themes of loyalty, courage, and patriotism, portraying how Yi Sun-sin became a national hero and a symbol of resistance for the Korean people.