Jeonwoo plot
Lee Hyeon-Joong is a South Korean squadron commander and war veteran who is dedicated to protecting the lives of the soldiers serving under him. During the war between North Korea and South Korea, he runs into an old acquaintance on the battlefield with whom he had a relationship. Lee Soo-kyung then defected and became a lieutenant of the North Korean army. While it becomes clear that both still have feelings for each other, the battle continues.