In this captivating tale, Rodolphe, the Grand Duke of Gerolstein in disguise as a humble Parisian worker, navigates the vibrant streets of Paris. Gifted with a mastery of argot, exceptional strength, and formidable combat skills, he also embodies compassion for the underprivileged. With a brilliant mind, Rodolphe effortlessly mingles among all social strata, keenly understanding the interconnectedness of their struggles. Join him as he uncovers the rich tapestry of Parisian society, revealing the profound links that bind its diverse classes together. Summary by Michele Eaton.