Friends Mitya, Denis and Victor arrive at a rented cottage and find the corpse of Irina Safonova, Mitya's friend, in the house. Valuables are missing. Shortly before their return, thieves actually got into the cottage. The opera is sure that they killed the woman. Thieves, Ferret and Owl, in turn, throw away stolen items, but leave credit cards, which are why they get caught. During the interrogation, the Ferret claims that when they entered the house, Irina was already dead...

Two student friends return to a rented house after a weekend and find their third neighbor Lyudmila hanged. Emelya, Vasin, Dolbunov and Likhacheva leave for the place. Suspicion falls on Luda's boyfriend Semyon Noskov, who blackmailed her with intimate photos, but he turns out to be innocent. The second suspect is a former convict who corresponded with her on social networks under the nickname Alice...

The director of the elite school Ageev is killed near the garbage chute with a shot in the back of the head. After talking to the Ageyevs' neighbors, Emelya begins to suspect his widow. Ageeva had a lover, she was going to divorce her husband...