Captain "Night Bird," master of the blade and successful privateer Mart Kolychev, flies west - to the capital of the Russian Empire, brilliant St. Petersburg. Palace intrigues, the Senate, the struggle of clans and foreign special services. A new battlefield where a wicked grin lurks behind the participants' polite smile. The solution to a long-standing bloody mystery is getting closer, and with it the reckoning. Watch out! He's around!