"I deliver everything that the post office service does not handle." Eun-ha, who is a normal junkyard employee, secretly works as a delivery clerk that deals with unusual delivery requests.

While defending an unlikely soul, the afterlife Guardians investigate an elderly man who’s outstayed his time on Earth, and delve into their own past.

After trying to cover up a car accident that left a man dead, a crooked homicide detective is stalked by a mysterious man claiming to have witnessed the event.