"The Furnace" by Rose Macaulay is a novel written in the early 20th century. The narrative centers around the lives of Tommy and Betty Crevequer, siblings living a bohemian lifestyle in Naples, as they navigate their relationships and interactions with the local populace and visiting tourists, including the Venables family. The book captures the vibrancy of life in Naples while exploring themes of youth, artistic ambition, and social class. The opening of the novel introduces the reader to a lively scene at the harbor of Naples, where a crowd gathers to watch royalty disembark from a steam-yacht. Among the crowd are Tommy and Betty Crevequer, who exhibit a carefree spirit marked by an easy camaraderie and a lack of financial concerns that are often overshadowed by their pursuit of pleasure. The narrative provides insight into their modest, unconventional living arrangements and their relationships with friends and acquaintances, demonstrating their contentment with life's simple joys. This sense of youthful exuberance, along with the tensions that arise from their socioeconomic status, sets the stage for further exploration of their characters and experiences throughout the book. (This is an automatically generated summary.)