Go Mi-Ran and Ma Dong-chan participates in a freezing experiment, which they are told they will be awake in 24 hours. However, something happens and they wake up only 20 years later. Are they able to find out why both of them are frozen for 20 years?
Hotel del Luna is located in the heart of Seoul. It is not like any other hotels, but it’s a place for the dead souls. During the Goguryeo era, a rebel, named Jang Man-wol (IU) drank a liquor that unknowingly turned her into the hotel’s owner. Koo Chan-Seong (Yeo Jin-Goo), is the new manager she wants to take over from the current manager, No Joon-Seok.