Серия 4

It turns out that in the Chichagovs' house, their daughter's nanny was a certain Arina Ignatova, who used to work in a strip club and was the lover of the deceased's husband. Neupokoeva calls the nanny for questioning as the main suspect. In addition, Zoya learns that Chichagov's first wife Rita also died young. Such a coincidence seems strange to Neupokoeva. Now she needs to find a way to exhume Rita's body.