January 1999. Katya meets Michael, a descendant of Russian emigrants, and it seems that the resulting spark of sympathy will flare up into the flame of real love. But it turns out that Michael is the native great-grandson of the last Russian emperor Nicholas II, and, creating a family, he must be guided by a sense of duty. Meanwhile, preparations are underway in Moscow for a power struggle. One of the contenders is an influential governor, General Deev. The consultants hired by the oligarch Olkhovsky provide him with weighty arguments that the family of Nicholas II was saved and, possibly, the crowned heir is hiding somewhere. Deev thinks about its liquidation. Two special agents of the secret service of one of the Western countries want the same. Acting in accordance with a secret directive of a century ago, they must find and destroy the direct heirs of the Romanov dynasty. Soon, an poor old man is brutally killed in the Russian outback. Unraveling this case, the investigator finds out that the old man suffered from Alexei Romanov's disease, and also finds a letter from the Tsarevich written in 1941, which takes us to 1918...