The Hotel Del Luna, located in Seoul, is not like any other hotel: its client are all ghosts. Jang Man-Wol, stuck in the hotel for the past millennium, meets Koo Chan-Sung, the new manager.

Hong Ji Ah is an exorcist who gets rid of unrested spirits to sell houses. Oh In Beom is a fake exorcist who calls himself a doctor of the paranormal to scam people. They serendipitously run into each other one day.

A modern-day Korean emperor passes through a mysterious portal and into a parallel world, where he encounters a feisty police detective.

A vainglorious executive who seemingly has everything faces devastating news when his adept personal assistant announces that she’s decided to quit.