La Traviata - Presented by Center Stage Opera. Violetta Valery, a young courtesan, famous in the Parisian high society, throws a party in her home. Here, Gaston, Viscount of Letorieres, introduces a new admirer to her, Alfredo Germont. He confesses that the moment he saw her, he was fascinated by her beauty and intelligence, though he has never had the courage to tell her.