Novels about the real heroes of their era - Soviet police officers, people for whom service feats are an everyday thing. The end of the seventies. In a large Siberian city, four young women are brutally murdered one after another. The external signs of the crimes are very similar: all the victims are tied with the same towels, all were killed by blows to the head with a heavy object. Investigators led by police captain Alexei Razin suggest that this is clearly the work of a serial killer. For Soviet reality, this is an unheard of phenomenon! Every effort has been made to find the maniac. Detectives work without sleep or rest. But everything is in vain... This continues until Razin pays attention to one unusual fact that many years ago connected the fates of the then students... This was quite recently. But it seems that a whole era has passed since the time when the concept of honor and selfless devotion to their dangerous profession made Soviet police officers real heroes...