Set in opposition to the backdrop of towering views of Mount Jiri, where rangers and different employees of the Jirisan National Park climb thru the mysterious and unexplored regions of the mountain, trying to rescue the survivors and lost trekkers. Seo Yi Kang is the park’s pinnacle ranger who has extensive revel in in navigation, making her informed in terms of monitoring down misplaced individuals. One day, she becomes the accomplice of Kang Hyun Jo, a rookie park ranger who’s a army academy graduate and an ex-lieutenant who skilled a awful incident on Mount Jiri which led him to grow to be a ranger. The drama is targeted round a mystery surrounding the mountain’s many traffic; people who come to kill, and people who come to quit their lives.