From the Ice Prison

Mira Borisova accidentally finds herself in the apartment of an old family friend, who suddenly disappears. After some time, he is found dead at the dacha of a former student. The deeper the investigation goes, the more questions arise. Fake artworks, mysterious deals, disappearances of people, and carefully hidden secrets of the past come together to form a complex puzzle that Major Zubov and his loyal assistant Mira must solve.
Each new fact changes the picture of what is happening, and the truth turns out to be far more dangerous than the boldest assumptions. After all, in a world of big money, collectible valuables, and human ambitions, the price of a mistake can be too high.