Emma Fern, the owner of a modest antique shop and an aspiring author, leads a quiet, measured life, until one day the famous writer, the queen of detective stories, Beatrice Johnson-Green, looks into her shop. With the advent of Beatrice, Emma's world turns upside down: now, in the company of a new friend, she visits expensive boutiques and luxurious restaurants, riotous parties and literary acquaintances await her. However, for friendship with Beatrice there will be a considerable price to pay, and Emma will have to decide whether she is ready for such a sacrifice.