The Killer's Calendar

FBI Special Agent Daniela Vega was seventeen when her mother killed her father. It was the daughter's testimony that predetermined her fate. And now, ten years later, Daniela has doubts: what if she misunderstood everything and her mother is innocent?

A detective from the New York Police Department's homicide unit agrees to reopen the investigation, but with one condition: Daniela must help find the serial killer who is operating throughout New York City. The pattern of his actions is very complex, but it clearly follows some kind of algorithm. The killer acted strictly according to a calendar, choosing specific days of the year for his dark deeds – the 101st, 220th, 333rd… If anyone can decipher this pattern, it is an experienced cryptographer – someone like Daniela.

But the killer has already realized who is on his trail. And as the secrets of the past unfold, he is preparing a very unpleasant future for Daniela…