Park Jae-chan

Yongcheonru is the grandest guesthouse in Joseon. Their motto is that the customer is the king. Yeongcheonru has four new interns and they have their own reasons why they work there.

Chu Sang-woo is the epitome of an inflexible and strict rule-abiding person. Jang Jae-young is like a semantic error in the perfect world of Chu Sang-woo. Will Sang-woo be able to work with Jae-young as an artist and engineer?