This drama is based on webcomic “Naeil” by “Llama/ 라마”. which was published from 2017-May-20 via Naver.

Choi Joon Woong (Ro Woon) a young job seeker, who can’t get a job and through an accidental accident, meets angels of death Koo Ryun (Kim Hee Sun) who are on a special mission of suicide prevention, and works with them as the youngest contract worker in the crisis management team of death angels.

Choi Joon Woong looks for a job, but it is hard for him to get hired. Except for that, he seems like a perfect guy. He graduated from a prestigious university and he has wealthy parents. One night, he accidentally meets angels of death Gu Ryeon and Im Ryoog Gu. The two death angels belong to a crisis management team. Gu Ryeon is the leader and Im Ryoog Gu is a member. Their objective is to save suicidal people. Soon, Choi Joon Woong becomes a new member of the crisis management team.