Neither Criminal Investigation Officer Nastya Kamenskaya nor investigator Obraztsova could assume that their agreement to participate in the Women of an Unusual Profession teleconference would lead to tragedy. After the live broadcast, lonely low-income people begin to die, and next to the bodies, the mysterious killer leaves messages that cannot be understood or deciphered. Who are these messages addressed to, Nastya or Tatyana? And who will be the next victim?