The emergency room doctor fell in love with a special forces officer at first sight, but because of family difficulties, she had to pretend to be unfaithful and break up with him. She didn't know that after breaking up, she found out she was pregnant…and the special forces officer's other identity was actually a royal heir fulfilling his military service. Years later, she was forced to join an international medical team and met him again at the international peacekeeping base. She reunited with her special forces officer, her prince, whom she had been thinking about for a long time, but they were like strangers...