Yoon Dan Oh’s life has taken a sharp turn. She once enjoyed a luxurious life as the youngest daughter of a wealthy family, but now she’s the sole breadwinner running the Ihwawon Inn. Her guests are mostly scholars who are in Hanyang to take the civil servant entrance exam, including Kang San, Kim Si Yeol, and Jeong Yoo Ha. Each of them carries a secret that they don’t want to reveal. Together, Yoon Dan Oh and her boarders team up to solve the mystery of Lee Seol’s disappearance, which happened 13 years ago. Will they succeed in finding her? Only time will tell.