Season 1
16 episodes
78 min. per episode
Where to watch
Amazon Prime Video
Subscription
A dedicated ranger battles personal demons while uncovering dark secrets hidden in the majestic, perilous heights of Mount Jiri.
Trailer
Episodes
In 2018, the ranger team at Mount Jirisan is sent out to rescue a young boy as a typhoon approaches. While on the mission, Yi-Kang and Hyun-Jo discover a cave with a signaling system that Yi-Kang uses in 2020 to discover lost hikers.
2018: Yi-Kang puts an end to a potentially dangerous search for a missing lottery ticket. Hyun-Jo assists a man looking for a hiker who went missing a year earlier. Trouble ensues, so Yi-Kang comes to his aid. 2020: A ghost spots Da-Won.
2018: A young shaman tells Hyun-Jo that he will remain on the mountain even after he dies. After finding a dead hiker, Hyun-Jo informs Yi-Kang that he began to see visions of dead people on Jirisan after a soldier in his troop died there.
2020: While reviewing park records, Yi-Kang notices that Jo Dae-Jin had a day off each time someone died. 2018: Hyun-Jo has a vision in which a man with five scratch marks on his hand places a potato bomb that later kills a snake poacher.
2018: Hyun-Jo realizes that a potato bomb left on the mountain was intended to kill Yang-Sun. 2020: Yi-Kang informs Da-Won that she has returned to the park to find out who has been killing people since Se-Wook's death.
Set against the backdrop of towering views of Mount Jiri, it depicts the story of rangers and other employees of the Jirisan National Park who climb through the mysterious and unexplored regions of the mountain.