Fate itself prevented this trip. Taking too long to get ready resulted in Irina and Natalya being late for a party with friend Svetlana. The reason - either grief or joy from divorcing her husband - could not be specifically defined. But the reason why the friend’s unexpected guest died is clear: being ahead of everyone else, he took a sip of poisoned wine from the festive table. The next morning, Svetlana’s neighbor, a witness to this event, almost dies from a blow to the head with a piece of pipe, and only a miracle saves Irina from “docking” with the same object during the day. Wherever her and Natalya’s search for truth takes her! And ex-spouses accused of murder. After the divorce they became closer to each other - after the arrest they were placed in the same pre-trial detention center. And it doesn’t occur to anyone that all the crimes are in no way connected with each other...