As the plot progresses, Mu-kwang and Su-ryeon's paths continue to cross, leading to a passionate affair between the two. However, their secret relationship soon becomes a source of tension and danger as they struggle to keep their illicit affair hidden from the prying eyes of the other soldiers and Sa-taek himself.
In the midst of their passionate affair, Mu-kwang becomes more and more conflicted as he is torn between his revolutionary dreams and his growing love for Su-ryeon. Meanwhile, Su-ryeon also grapples with her loyalty to her husband and her undeniable attraction to Mu-kwang.
As their relationship intensifies, the couple begins to risk more and more to be together, jeopardizing not only their own lives but also the fragile balance within the ranks of the soldiers. Their affair becomes a symbol of resistance against the oppressive regime and a catalyst for rebellion among the lower-ranking soldiers.
As tensions rise, the couple's actions result in a series of unexpected consequences, ultimately leading to a dramatic climax that tests their love, loyalty, and commitment to their cause. Serving as a powerful commentary on desire, revolution, and sacrifice, "Serve the People" explores the complexities of love and the consequences of following one's heart in the midst of political turmoil.