Lady Cornelia tells the story of two Spanish gentlemen, Don Juan de Gamboa and Don Antonio de Isunza, who become students in Bologna where, through chance events, Don Juan harbous a recently born child and aids an individual against a group of attackers. Don Antonio, meanwhile, whelters a lady who has sought his protection. As they relate these experiences to each other, events link up: the lady is beautiful Cornelia Bentibolli, the child her secret...