Maternal love can be merciless. Valentina Goncharova arrives at Maxim Vulf’s detective agency with a statement: her daughter Polina was killed by film director Konstantin Stasov. Supposedly, he did it to hide the saucy details of his cohabitation with her. Goncharova doesn’t ask—she demands that Stasov be brought to clean water immediately. There’s nothing to do—Evlampiya Romanova takes the case. And very quickly she finds out that the young woman died in a car accident: her vehicle lost control, exploded, and her body burned in the fire—and Stasov has nothing to do with it. But Valentina insists: director Stasov is a murderer. Her certainty pushes Lampa to continue the investigation. Romanova makes incredible efforts, connects all the threads and fates. And just when it seems to her that the truth is one step away, the phone rings—and Evlampiya realizes that all this time she has been running in the wrong direction…