父母意外過世,胖胖女孩 Jane 面臨被討厭表哥趕出家門的危機──唯一的救贖是趕緊結婚領取嫁妝!她鼓起勇氣向暗戀對象、帥氣卻自戀的漁夫 Peter 求婚,對方答應了,卻馬上被美人魚拖入海中。Jane 找上村裡神秘老巫婆,喝下水下呼吸藥水,踏上海底奇幻旅程,對抗殭屍水手、水魔、貪圖青春的美人魚姐妹,還結交會說話的 selkie 海豹朋友。在這趟旅途裡,她不僅救出「未婚夫」,更發現真正的獨立與自信,顛覆所有童話刻板印象!Jane is incredibly plain. Everyone says so: her parents, the villagers, and her horrible cousin who kicks her out of her own house. Determined to get some semblance of independence, Jane prepares to propose to the princely Peter, who might just say yes to get away from his father. It's a good plan! Or it would've been, if he wasn't kidnapped by a mermaid. With her last shot at happiness lost in the deep blue sea, Jane must venture to the world underwater to rescue her maybe-fianc? But the depths of the ocean hold beautiful mysteries and dangerous creatures. What good can a plain Jane do? From Anya's Ghost and Be Prepared author Vera Brosgol comes an instant classic that flips every fairy-tale you know, and shows one girl's crusade for the only thing that matters--her own independ