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.