: The car's owner, actor Karpilovsky, is cleared as he was out of town. His wife and mother-in-law do not drive, leaving a mystery as to who broke into his garage.
: Anna and Sonya discover Polina had secret ties to the "stilyagi" (Soviet youth subculture) and had recently changed her lifestyle. : The car's owner, actor Karpilovsky, is cleared
: Anna is pregnant by Letnev but keeps it a secret, while Katerina faces ongoing pressure from Georgy’s mother to divorce and move out. Key Production Facts : The car's owner
: Filming took place in Moscow, St. Petersburg, and Kislovodsk. Episode Schedule (Season 4) Шифр (телесериал) - Википедия : The car's owner, actor Karpilovsky, is cleared
: Police locate the car used to hit Nikitina.