Looking back on the first season of “The Gilded Age,” what was your choice for biggest surprise plot twist? We have three suggestions, but feel free to add to the list. Spoiler alert: If you have not watched all nine episodes, stop reading! 1. The secret identity of Monsieur Baudin. 2. Marian Brook being stood up by Tom Raikes. 3. The identity of the person who betrayed Mr. Russell. #NewportMansions #gildedagehbo #thegildedage #gildedagemansion #gildedagemansions #gilded