Set in England at the turn of the 20th century, Wallace's crime novel The Daffodil Mystery follows the mysterious circumstances under which shop owner Lyne has been murdered. Accordingly, it is up to detective Jack Tarling and his trusted Chinese assistant to solve the case and reach an appropriate and just resolution. Moreover, the happenings within the novel are intensified by the colorful set of characters, which are marked by their plausible façade and contribute to the novel's appeal.