Moscow, 1902. The famous director Konstantin Stanislavsky, in search of inspiration for staging a new play, decides to get acquainted with the life of the city "bottom". He turns to Vladimir Gilyarovsky, a recognized expert on the Moscow slums, for help. Together they go to the legendary bandit Khitrovka and find themselves embroiled in the investigation of the murder of a mysterious local resident - an Indian Sikh with a dark past.

　　兄弟俩罗马和热尼亚两个小青年的每一天过得毫无变化，按部就班地进行着：闹钟响起、学习、车库后抽烟、一个藏有武器的仓库......等等，什么？　　他们认定这是一个赚快钱的机会，因为他们只需在暗网上出售这些枪支。但是，哪里有枪，哪里就有危险人物——好戏就从这里开始。很快，小镇的所有居民都卷入了这个故事：单身母亲斯维特兰娜，当铺老板阿尔伯特，纹身师莱利亚，警察巴索夫，他的博主女儿米莉娜，以及首都来的黑帮。