Genius of empty space

One night, Mitya Khokhlov lost his old friend Kuzi and ... one hundred thousand dollars. Here is such a coincidence. Or not? .. Once upon a time there were four friends, studied at one university, at first worked at one research institute. But then two of them became businessmen. And Kuzmin and Pilyugin remained in science. Kuzya was an absurd, forever dissatisfied loser, who once gave great hopes. True, recently he claimed that he would get rich soon, and even made an offer of a hand and heart to their common friend Arina. And then he was killed ... in the courtyard of Pilyugin"s house. If he died because of the money, where did they come from with a simple scientist, and who could know about them? Only someone close ... Mieta Khokhlov is vital to install who the killer and who is a thief?