The mysterious village of Duon is inhabited by the souls of the missing, deceased people. A group of people is searching for the bodies of the missing, trying to find out what happened to each of them.
Kim Wook (Go Soo) is a handsome man who commits fraud to make a living. One day, Kim Wook finds himself in a mysterious village, where he faces numerous mysteries.
Jang Pan Seok (Heo Joon Ho) is secretly looking for missing people. He is the connection between the outside world and the mysterious village. Pan Seok joins Kim Wook and this epic bromance begins to work together.
Lee Jong Ah (Ahn So Hee) is Kim Wook’s assistant. She is a ninth grade civil servant working in a community center. Jung Ah has another identity- she is a white hat hacker.
Shin Joon Ho graduated from the Police Academy and became a detective. He was going to marry Choi Yeo Na (Seo Eun Soo), but she mysteriously disappeared a month before the wedding. To find her, he applies for the missing person squad.