"The Vicomte de Bragelonne" by Alexandre Dumas and Auguste Maquet is a novel published between 1847 and 1850. The final installment of The d'Artagnan Romances follows the aging musketeers as they navigate the treacherous court of young Louis XIV in 1660s France. D'Artagnan returns to service while political intrigue swirls around the ambitious Nicolas Fouquet. Romantic entanglements complicate loyalties as Raoul de Bragelonne loses his beloved Louise to the king himself. Meanwhile, Aramis discovers a mysterious prisoner in the Bastille who bears an uncanny resemblance to Louis XIV. (This is an automatically generated summary.)