![Lonesome Dove](https://image.tmdb.org/t/p/w185/qK4iseZGf0YhYx53ecawSGhL0sl.jpg)
Seo Yi-Gang is the best ranger at Jiri Mountain National Park. She knows virtually everything about the area, including where to climb the mountain. Kang Hyun-Jo is a rookie ranger at Jiri Mountain National Park. He graduated from the military academy and was once an army captain. He has a secret that he can’t tell anyone about. These two people become partners and they work to save people around Jiri Mountain National Park.