Oscar Françoise de Jarjayes (Catriona MacColl) is a young woman whose father, a career military man, wanted a boy. After she was born her father took to dressing Oscar in boy's clothes and raising her as a man. Privately Oscar acknowledges her feminine side, she dresses as a man and gains an honored position as a guard of Marie Antoinette (Christina Bohm). In her youth, Oscar is in love with Andre (Barry Stokes (actor)), the son of the family's housekeeper. Years later, when the French Revolution begins, Oscar and Andre's paths cross for the first time in years. With the assault on the Bastille, Oscar and Andre find themselves fighting on opposite sides of the revolution.
将軍家の跡取りで、“息子”として育てられた男装の麗人オスカル・フランソワ・ド・ジャルジェ。隣国オーストリアから嫁いできた気高く優美な王妃マリー・アントワネット。オスカルの従者で幼なじみの平民アンドレ・グランディエ。容姿端麗で知性的なスウェーデンの伯爵ハンス・アクセル・フォン・フェルゼン。彼らは栄華を誇る18世紀後半のフランス・ベルサイユで出会い、時代に翻弄されながらも、それぞれの運命を美しく生きる。