Season 1

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  8.5/1092 votes

  Episode 1

  Season 1 Episode 1 - Aired 10/23/2021

  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.

  Director: Unknown

  Writer: Unknown

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  8.7/1061 votes

  Episode 2

  Season 1 Episode 2 - Aired 10/24/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.0/1056 votes

  Episode 3

  Season 1 Episode 3 - Aired 10/30/2021

  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.

  Director: Unknown

  Writer: Unknown

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  9.1/1068 votes

  Episode 4

  Season 1 Episode 4 - Aired 10/31/2021

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

  Director: Unknown

  Writer: Unknown

• 

  9.0/1050 votes

  Episode 5

  Season 1 Episode 5 - Aired 11/6/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.2/1050 votes

  Episode 6

  Season 1 Episode 6 - Aired 11/7/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.2/1048 votes

  Episode 7

  Season 1 Episode 7 - Aired 11/13/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.2/1048 votes

  Episode 8

  Season 1 Episode 8 - Aired 11/14/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.5/1048 votes

  Episode 9

  Season 1 Episode 9 - Aired 11/20/2021

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

  Director: Unknown

  Writer: Unknown

• 

  9.1/1050 votes

  Episode 10

  Season 1 Episode 10 - Aired 11/21/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.2/1042 votes

  Episode 11

  Season 1 Episode 11 - Aired 11/27/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.3/1046 votes

  Episode 12

  Season 1 Episode 12 - Aired 11/28/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.3/1041 votes

  Episode 13

  Season 1 Episode 13 - Aired 12/4/2021

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

  Director: Unknown

  Writer: Unknown

• 

  9.1/1042 votes

  Episode 14

  Season 1 Episode 14 - Aired 12/5/2021

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

  Director: Unknown

  Writer: Unknown

• 

  9.2/1039 votes

  Episode 15

  Season 1 Episode 15 - Aired 12/11/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.5/1034 votes

  Episode 16

  Season 1 Episode 16 - Aired 12/12/2021

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

  Director: Unknown

  Writer: Unknown