Серия 5

Polina and Igor investigate the mysterious murder of an auctioneer, whose identity turns out to be a fake. At the same time, Polina helps Marina Golovina, the wife of her boss, who is hiding her tragic secret. Polina and Maxim Belyakovsky's relationship is developing: he is showing more and more concern, but Igor finds information about Maxim's possible involvement in a fatal accident.