A team of expert mountain rangers put their lives on the line to save stranded trekkers, solve haunting mysteries and protect Jirisan National Park.
Gianna Jun
Seo Yi-gang
Ju Ji-hoon
Kang Hyun-jo
Sung Dong-il
Jo Dae-jin
Oh Jung-se
Jeong Goo-young
Cho Han-chul
Park Il-hae
Joo Min-kyung
Lee Yang-seon
Go Min-si
Lee Da-won
