Episode 1 - Episode 1
October 23, 2021 • 72 minutes
Newly recruited park ranger Kang Hyeonjo is sent to search for a teen who has gone missing in Jirisan National Park but is impeded by a typhoon.
Episode 2 - Episode 2
October 24, 2021 • 83 minutes
While pursuing a vision on the mountain, Hyeonjo meets a man who's searching for his father’s ashes. The two continue their risky ascent together.
Episode 3 - Episode 3
October 30, 2021 • 64 minutes
The rangers stop a shamanic ceremony, and a girl passes a mysterious message to Hyeonjo. The team gets a report that an elderly woman has disappeared.
Episode 4 - Episode 4
October 31, 2021 • 59 minutes
Seo Yigang beholds a spooky scene in a video recording. Back in 2018, the team is unfairly blamed for the death of a villager.
Episode 5 - Episode 5
November 6, 2021 • 62 minutes
Yigang tells Hyeonjo that she saw someone with scratch marks on their hand. He suspects it may be the bomber. The rangers look for Lee Yangseon.
Episode 6 - Episode 6
November 7, 2021 • 70 minutes
Snow closes the park. Yigang learns that someone with the same name as her first love is coming to collect an item. A suspicious car approaches.
Episode 7 - Episode 7
November 13, 2021 • 60 minutes
Yigang realizes that Hyeonjo’s soul is wandering the mountain. In 2019, Hyeonjo sees a vision of a fire. The two are in danger in different places.
Episode 8 - Episode 8
November 14, 2021 • 61 minutes
Following a rescue attempt, Hyeonjo finds out that someone has been trying to kill him and realizes that the recent murders weren't a coincidence.
Episode 9 - Episode 9
November 20, 2021 • 60 minutes
Lee Dawon is missing. The rangers go in search and find Dawon’s phone, which contains a suspicious voice recording with an unexpected person.
Episode 10 - Episode 10
November 21, 2021 • 59 minutes
The police find a man lying in shock in the road. Yigang and Hyeonjo get lost on their way to a village and see ominous lights in the darkness.
Episode 11 - Episode 11
November 27, 2021 • 64 minutes
Cho Daejin is arrested as a suspect in Dawon’s death. Yigang develops a strong hunch that one of the rangers is actually the killer.
Episode 12 - Episode 12
November 28, 2021 • 59 minutes
The rangers search for groups of climbers trapped in the park by heavy rainfall. Yigang meets a survivor of the 1995 flood that killed her parents.
Episode 13 - Episode 13
December 4, 2021 • 59 minutes
The rainfall causes fatalities. Hyeonjo discovers that the accident on the bridge was intentional and looks into the connections between the victims.
Episode 14 - Episode 14
December 5, 2021 • 59 minutes
At Geomeundarigol Village, Hyeonjo catches a suspicious man in black gloves. After hearing his testimony, Hyeonjo starts to suspect someone new.
Episode 15 - Episode 15
December 11, 2021 • 59 minutes
Hyeonjo’s family decides to switch off his life support. The rangers start looking into people connected to the village, and Yigang has a revelation.
Episode 16 - Episode 16
December 12, 2021 • 71 minutes
After the truth is finally revealed, Yigang grills the perpetrator. The culprit goes to conceal some evidence, but there meets Hyeonjo’s soul.