Season 1

E1. Episode 1

Oct 23, 2021 · 72m

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.

E2. Episode 2

Oct 24, 2021 · 83m

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.

E3. Episode 3

Oct 30, 2021 · 64m

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.

E4. Episode 4

Oct 31, 2021 · 59m

Seo Yigang beholds a spooky scene in a video recording. Back in 2018, the team is unfairly blamed for the death of a villager.

E5. Episode 5

Nov 6, 2021 · 62m

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.

E6. Episode 6

Nov 7, 2021 · 70m

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.

E7. Episode 7

Nov 13, 2021 · 60m

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.

E8. Episode 8

Nov 14, 2021 · 61m

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.

E9. Episode 9

Nov 20, 2021 · 60m

Lee Dawon is missing. The rangers go in search and find Dawon’s phone, which contains a suspicious voice recording with an unexpected person.

E10. Episode 10

Nov 21, 2021 · 59m

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.

E11. Episode 11

Nov 27, 2021 · 64m

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.

E12. Episode 12

Nov 28, 2021 · 59m

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.

E13. Episode 13

Dec 4, 2021 · 59m

The rainfall causes fatalities. Hyeonjo discovers that the accident on the bridge was intentional and looks into the connections between the victims.

E14. Episode 14

Dec 5, 2021 · 59m

At Geomeundarigol Village, Hyeonjo catches a suspicious man in black gloves. After hearing his testimony, Hyeonjo starts to suspect someone new.

E15. Episode 15

Dec 11, 2021 · 59m

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.

E16. Episode 16

Dec 12, 2021 · 71m

After the truth is finally revealed, Yigang grills the perpetrator. The culprit goes to conceal some evidence, but there meets Hyeonjo’s soul.