The investigation of the murder of a "fisherman" on the lake takes Polina into the world of professional fake alibis, relying again on her intuition, she tries to uncover a cunning scheme and find the real killer. Polina spends more and more time with Maxim, despite Igor's warnings. Maxim, in turn, is actively interested in the progress of her investigations, especially the case of her missing sister.

The team is investigating the murder of a popular spiritual guru, Lubava, in a park. It looks like a place of feminine power, but behind the charms and rituals lies an old, painful secret. Polina will have to solve not only this crime, but also a rebus from her own visions. In parallel, Olya's search leads to an alarming discovery at the bottom of the lake.