Ri Jeong-hyuk is a fictional character from the popular South Korean television series Crash Landing on You. He is portrayed as a North Korean army officer who is principled, brave, and deeply loyal to his country. His character is known for his strong sense of duty and moral integrity, which often puts him in challenging situations. In the series, Ri Jeong-hyuk meets Yoon Se-ri, a South Korean heiress who accidentally paraglides into North Korea. Their unexpected romance unfolds against the backdrop of the political tensions between North and South Korea, highlighting themes of love, sacrifice, and the human experience beyond borders.