Three girlfriends, three inconsolable widows mourn their husbands: one was given sleeping pills at the wrong time and he crashed in a car accident, the second was given vinegar essence instead of Narzan, the third was simply shot in his own car. The employee of the press center of the Internal Affairs Directorate Katya Petrovskaya and the investigator Maryana Kiseleva have no doubts - the murders were committed by the same person, and this person has nothing to lose, he cold-bloodedly eliminates those who could lead to his trail. Katya and Maryana start a risky game, as a result of which the killer is captured. But now the detectives will have to decide whether they can bring him to justice...