In this speculative novel blending romance and science fiction, Atherton explores the theme of rejuvenation and the societal obsession with youth. The story follows Madame Zattiany, a woman who undergoes a medical procedure to restore her youth and reenters high society, attracting the attention of a younger man. As the novel delves into issues of identity, aging, and the role of women, it raises provocative questions about the price of eternal youth and the nature of love.