Lee Ji-hyun, was lost in a snowstorm and rescued. But it was not Korea, no matter how you look at it! The most elite military group, the Nio Mercenaries, led by the strongest warrior Valdemar, saved Ji-hyun?! Ji-hyun decides to sell them her abilities to survive. "Don't you need one management mentor?" Indeed, Ji-hyun can find a way to save the Nio mercenaries and return home safely?