Seo Yigang is the best ranger at Jirisan National Park. She knows virtually everything about the area, including where to climb the mountain. Kang Hyeonjo is a rookie ranger at Jirisan National Park. He graduated from the military academy and was once an army captain. He has a secret that he can't tell anyone about. These two people become partners and they work to save people around Jirisan National Park.
Air date: 2021-10-23
Runtime: 72 min
Overview: 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.
Air date: 2021-10-24
Runtime: 83 min
Overview: 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.
Air date: 2021-10-30
Runtime: 64 min
Overview: 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.
Air date: 2021-10-31
Runtime: 59 min
Overview: Seo Yigang beholds a spooky scene in a video recording. Back in 2018, the team is unfairly blamed for the death of a villager.
Air date: 2021-11-06
Runtime: 62 min
Overview: 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.
Air date: 2021-11-07
Runtime: 70 min
Overview: 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.
Air date: 2021-11-13
Runtime: 60 min
Overview: 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.
Air date: 2021-11-14
Runtime: 61 min
Overview: 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.
Air date: 2021-11-20
Runtime: 60 min
Overview: Lee Dawon is missing. The rangers go in search and find Dawon’s phone, which contains a suspicious voice recording with an unexpected person.
Air date: 2021-11-21
Runtime: 59 min
Overview: 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.
Air date: 2021-11-27
Runtime: 64 min
Overview: 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.
Air date: 2021-11-28
Runtime: 59 min
Overview: 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.
Air date: 2021-12-04
Runtime: 59 min
Overview: The rainfall causes fatalities. Hyeonjo discovers that the accident on the bridge was intentional and looks into the connections between the victims.
Air date: 2021-12-05
Runtime: 59 min
Overview: At Geomeundarigol Village, Hyeonjo catches a suspicious man in black gloves. After hearing his testimony, Hyeonjo starts to suspect someone new.
Air date: 2021-12-11
Runtime: 59 min
Overview: 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.
Air date: 2021-12-12
Runtime: 71 min
Overview: After the truth is finally revealed, Yigang grills the perpetrator. The culprit goes to conceal some evidence, but there meets Hyeonjo’s soul.
