CHEMIST-2, part 2 of the trilogy CHEMIST

The second part of the detective trilogy "CHEMIST-2", age category 18+.
Despite the fact that the book tells about the same characters that, one way or another, we can talk about reminders of past events, the story is completely independent, the book is read without the feeling that we don’t know something, we missed something. And the tension from chapter to chapter is getting stronger!
Excerpt:
"Sasha laid out food on the table, pulled out two glasses, poured brandy. He sat and looked at Katya, he just remembered. He remembered Katya in Akademgorodok, their farewell there, their last night. He remembered Gulnara, standing half naked with a gun in her hand, hugging to him on the bus on the way to Krasnodar, he recalled Oksana, wiping ointment from his body in his soul and saw with surprise that he was rather alive than dead, which he took advantage of. living your life in complete, almost complete, isolation from of the outside world, in a village that was very difficult to get to, but by car, it’s generally impossible. I remembered Olga, even two Olya living in Akademgorodok, who became, for some reason, very close friends ... Sasha drank brandy, a glass for a glass. He fulfilled his obligations to Katya, taken by himself, obligations to himself, the child ... the child ...
Sasha sat and drank cognac. He is just tired. Very tired. Tired and Kate. Also very. Something burned between them or not, it was hard to say. It seems that little time has passed, but too many events have passed during this time! We had to make some choice. One choice.
Sasha drank cognac, delaying the decision. There was no solution. There was no choice? Choice ... Sasha drank brandy ...