After being voted the least popular student and becoming the target of school violence, Su-ji sets out to be at the top of the rank.

Choi Jun-Woong (Ro Woon) looks for a job, but it is hard for him to get hired. One night, he accidentally meets grim reapers Koo Ryeon (Kim Hee-Seon) and Im Ryoog-Gu. The two grim reapers belong to a crisis management team. Koo Ryeon is the leader and Lim Ryung-Gu is a member. Their objective is to save suicidal people. Soon, Choi Jun-Woong becomes a new member of the crisis management team.
Ssanggab Cart Bar opens only at night on the rooftop of a building. Wol-Ju (Hwang Jung-Eum) runs the mysterious food cart. Customers who visit Ssanggab Cart Bar consist of normal people and the dead. While drinking alcohol and eating dishes with Wol-Ju, the customers of Ssanggab Cart Bar talk about themselves and try to heal their internal wounds.