Summary

Portrait of Ludovico Ariosto Ludovico Ariosto Orlando Furioso — Introduction to Orlando Furioso (1516)

Angelica is the most beautiful woman any of the Peers have ever seen, and all want her. However, in order to take her as wife they must first defeat Argalia in combat. The two most stricken by her are Orlando and Ranaldo ("Rinaldo" in Rose) .
When Argalia falls to the heathen knight Ferrau, Angelica flees -- with Orlando and Ranaldo in hot pursuit. Along the way, both Angelica and Ranaldo drink magic waters -- Angelica is filled with a burning love for Ranaldo, but Ranaldo is now indifferent.
Source: Wikisource

Portrait of Ludovico Ariosto Ludovico Ariosto Orlando Furioso — Introduction to Orlando Furioso (1516)

However, Bradamante (who has decided to follow her heart) is in pursuit of her love, and is not too far away. It is the Bradamante-Ruggiero story that eventually takes center stage in Ariosto's work.
Other characters of importance: Astolfo, a Peer and friend of Orlando, who is kidnaped by the evil witch Morgana and her sister Alcina; Mandricardo, a fierce but hot-headed heathen; and a young knight named Brandimarte, who falls in love with (and wins the heart of) the beautiful Fiordelisa ("Flordelice" in Rose) . All play major or semi-major roles in the events of Ariosto's poem.
Source: Wikisource

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