After receiving a letter from her mother—who left her with her father many years ago—Daineka, without thinking, decides to go to the city of her childhood—Krasnoyarsk. Accidentally ending up in a special car together with high-ranking officials and an oligarch, Daineka becomes a witness to a senseless and cruel murder. Now she too is threatened with danger… Daineka doesn’t know that the man on the same train with her is her beloved Jamil. He has a special mission: to find and deliver to the capital a diamond pendant that two hundred years ago his beloved Conchita gave to Commander Nikolay Rezanov. As you know, Rezanov swore he would return, but died on the way and was buried in Krasnoyarsk…