"The Four Musketeers" refers to the main characters in Alexandre Dumas's novel "The Three Musketeers," which includes d'Artagnan, Athos, Porthos, and Aramis. The story is set in 17th-century France and follows d'Artagnan, a young man who aspires to become a musketeer. He befriends the three seasoned musketeers, and together they embark on various adventures, defending the honor of Queen Anne and battling the schemes of the villainous Cardinal Richelieu. The title "The Four Musketeers" is often used to refer to the group as a whole, emphasizing their camaraderie and loyalty. The characters symbolize bravery, friendship, and the ideals of honor and justice. Their adventures have been adapted into numerous films, television series, and stage productions, making them iconic figures in literature and popular culture.