From WEBTOON:
Welcome to Wellenberg, Meuracevia at the turn of the 19th century. The fate of Serenity Hotel, an opulent hotel in the nation’s capital, hangs by a thread as its headstrong heiress Serena and her stern husband Eiser struggle to turn its fortune around. Their loveless marriage of convenience takes a twisted turn following Serena’s jealous attachment to her stoic and handsome servant, Frederick. At a time when happiness takes a back seat to one’s sense of duty, will Serena be able to protect her love and ensure the survival of her family and her business?