The action takes place in 1735, during the notorious “Bironovschina”. Eighteen-year-old nobleman Eliseev begins his career in the Secret Chancellery. Smart, ambitious and able to stand up for himself, the young man does not like the paperwork routine of service, and fortune gives him a chance to prove himself. Help comes from places you couldn’t even imagine. From our time, from the 21st century, his descendant from the Eliseev family comes to him, in the 18th century. One has natural intelligence and strength, the other has deductive abilities and criminal knowledge that is ahead of the current era. Together they will make an excellent detective tandem. They will be able to unravel cases of any complexity, and the service in the Secret Chancellery is very rich in complex cases. Step by step they will move forward, solving one complicated case after another. The book is recommended for reading for people over 16 years of age.