Frightened, the homeless man turns to the patrol: in a mysterious dungeon that was recently excavated by scientists, he encounters the mutilated body of a woman. There are more questions than answers: the name of the murdered woman, the place and weapon of the murder ... And the main thing: who did it? The case is quite probable "hanging", and investigator Yegor Sklyar does not tolerate "hanging". As well as patrol Vlasta Koval. However, this is not the only murder whose secret they need to reveal ... Continuation of stories about the investigation of Yegor Sklyar and Vlasta Koval. The story is based on real events. All names, dates and locations have been changed.