City Hunter

An elite soldier trained from a young age by Lee Jin-Pyo in a clandestine camp in Thailand, Yun-Seong combines advanced IT skills with formidable combat ability. He is driven by a personal mission to avenge a fallen comrade while navigating his growing sense of conscience. His loyalty and analytical mind make him a dangerous, strategic asset who struggles with the cost of vengeance.

Former bodyguard of the South Korean president who survives the North Korea mission and vows revenge for his fallen comrade. He relocates with the boy to Thailand, forging a deep, almost paternal bond while teaching survival, strategy, and discipline. His quest for vengeance drives the central conflict, even as it risks personal and moral ruin.

A bodyguard at the Blue House who becomes a poignant link between Yun-Seong and the human side of politics. Her presence provides emotional depth amid a world of covert operations. She represents trust, resilience, and the possibility of normalcy within political intrigue.

Lee Jin-Pyo’s comrade whose death and the infant daughter become the emotional anchor for the revenge plot. His memory motivates the mission and motivates crossing borders to strike back. The baby’s safety becomes a central element that binds the characters in their fight.

A Korean cook and ally found in a Thai camp who provides practical support and camaraderie. He represents the humane side of the operation, helping the group survive and maintain morale. His loyalty shows that friendship can endure even in high-stakes covert warfare.