The series is about an incident that takes place when the owners of the boarding house called 'Guest Summer Palace', which breaks stereotypes, and boarders with secrets gather to find Lee Seol who disappeared 13 years ago.

Butler Kim (Lee Jun-young), a man who replaces errands that start at 100 won per day, and Baek Dong-ju (Lee Hye-ri), a funeral director who grants the wishes of the dead, running an errand company.

A big-city dentist opens up a practice in a close-knit seaside village, home to a charming jack-of-all-trades who is her polar opposite in every way.

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.