In cgapters 26 through 29 whom does monte cristo meet in Rome? how is it important to the plot?

The Count meets Franz d'Epinay and Albert de Morcerf in Rome. THe more significant seems to be Albert. The two meet in Rome and "run into each other" several times. The most significant occasion occurs when Albert is "kidnapped" by bandits at the carnival. Monte Cristo pays the ransom money, so he can be freed. Albert invites the count over the next day to thank him. At that time, they each discuss their lives and Monte Cristo asks Albert to introduce him to Parisian society when he visits. Albert is intrigued by the man and happily agrees.