The murder of a woman named Tregubova is linked to an earlier crime involving a former burglar.
(Из личной неприязни)
The season marks the return of Lyudmila Kolonkova (Olga Pavlovets) to the Investigative Committee after maternity leave. Maria Shevtsova is thrilled to have her friend back, though Lyudmila often has to juggle work with caring for her young son. The murder of a woman named Tregubova is
