In the days leading up to the 1988 Seoul Olympics, a ragtag team of drivers and mechanics go undercover to dismantle a massive money-laundering ring.

After being jobless for three years, Choi Joon Woong decides to take his own life and goes to a bridge to jump off of it. However, he finds someone else there who is also about to jump off the bridge and gets into a fight trying to save them. In the fight, the two of them accidentally fall off the bridge. A crisis management team run by grim reapers belatedly arrives at the scene, and Choi Joon Woong ends up falling into a three-year coma with his soul having escaped his body due to an error caused by the grim reapers. Now a soul who is half alive and half dead, he unexpectedly gets a job at the crisis management team at the most prominent company of grim reapers in the underworld. Gu Ryeon is the leader of the crisis management team . His job at the team involves taking special care of people with a high risk of suicide and helping them want to continue living.