: A recurring theme in Season 20 is Shvetsova's evolving relationship with operative Oleg Platonov and her struggle to balance a demanding career with her personal life.
: The primary suspect is a mysterious patient named Smolov—a man described as wearing a beard, dark glasses, and a hat—who was the last person seen with the doctor. : A recurring theme in Season 20 is
The 20th season of " Secrets of the Investigation " (Тайны следствия), released in 2020, marked a significant milestone as the series celebrated its 20-year anniversary. Episodes 19 and 20 comprise the two-part film . Plot Summary: "The Secret Patient" Episodes 19 and 20 comprise the two-part film
: A prominent oncologist, Arkady Zabelsky, is found strangled in a shower room during his workday. released in 2020
: Reviews often highlight the show's incredible longevity, noting that it has surpassed other long-running procedurals like "Streets of Broken Lights" in years on air.