The absolute top secret love story of a chaebol heiress who made an emergency landing in North Korea because of a paragliding accident and a North Korean special officer who falls in love with her and who is hiding and protecting her.

When famous fashion company owner Yoon Se-ri finds herself trapped in North Korea after a devastating paragliding accident, she meets Ri Jeong-hyeok, a respectable military captain. During her stay, Se-ri discovers the hardships of living in North Korea, and as she slowly falls in love with Captain Ri, it is up to her and her fellow North Korean comrades to find her way back home to the South while hiding their love for each other.