Plot Summary:1826, St. Petersburg. After the suppression of speeches on Senate Square, the investigating commission begins to search for participants in the Decembrist uprising. Some of them come across to the authorities because of informers. Suddenly, a series of brutal murders take place in St. Petersburg: those who denounced the Decembrists become victims. Near the bodies of the dead, there is invariably a piece of paper with lines from a poem by the young poet Alexander Pushkin. A Moscow detective and a nobleman, Alexander Boshnyak, who was released from custody, take up the investigation of the case.
根据1825年圣彼得堡参议院广场起义被镇压后发生的历史事件改编。在制止了起义之后,当局开始寻找煽动者。调查委员会正在进行调查,试图在渗透进革命组织中的秘谍和告密者的帮助下抓捕尽可能多的十二月党人。 故事中,圣彼得堡突然发生了一系列残忍的谋杀案:受害者都是那些告发十二月党人的人。在被害者的尸体旁,总会留下一张写有年轻诗人亚历山大-普希金诗句的纸。为调查此案,莫斯科一名具有非凡能力的侦探(蒂莫非-特里邦采夫饰演)和从拘留所释放的贵族亚历山大-波什尼亚克(谢尔盖-马林饰演)展开了调查。波什尼亚克与波兰女子卡罗琳娜-索班斯卡娅(薇拉-科列斯尼科娃饰)之间的浪漫关系将是剧情主线之一,卡罗琳娜-索班斯卡娅兼具冒险家、秘谍和亚历山大-普希金缪斯女神的三重身份。