However, it appears that he has a troubled history that he wishes to forget.
Now he's a rookie ranger.
Things just happen and cliffhangers get dropped but I feel no payoff when anything happens.
As Hyun-jo catches his breath, he sees a passing couple helping each other climb.
So he further dedicates his life to rescuing others, and sees the lives of his subordinates as his responsibility.
There seems to be a supernatural element at play, and I wonder if Jirisan might even have a mind of its own.