Jirisan

‎It's the story of Rangers and other Chirisan National Park staff who climb mysterious and unexplored places on the mountain in an attempt to rescue survivors and lost travelers. ‎
‎So Yi Kang is the park's chief ranger with vast navigation experience, making her well versed in the search for missing persons. One day, she becomes a partner of Kang Hyun Jo, a park rookie, a graduate of a military academy and a former lieutenant who survived a horrific incident on Mount Chiri that resulted in him becoming a ranger. ‎
‎The drama centers around the mysteries surrounding many visitors to the mountain: those who came to kill and those who came to commit suicide.‎