This episode is the penultimate chapter of the series, focusing on the murder investigation of :
Episode 15 of the fourth season of (Шифр) was officially released in 2024 , continuing the popular retro-detective series about former intelligence officers. While the third season aired in 2022, the fourth season premiered online in March 2024 and later on Channel One in October 2024. Plot Summary: Episode 15 (2024)
: Police locate the car used to hit Nikitina. This episode is the penultimate chapter of the
: 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 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, actor Karpilovsky, is cleared
: Katerina discovers a broken female fingernail with bright polish on the back seat, leading to suspicions that a woman was behind the wheel.
: Season 4 is the concluding chapter of the original project. Key Production Facts : Katerina discovers a broken
: Anna and Sonya discover Polina had secret ties to the "stilyagi" (Soviet youth subculture) and had recently changed her lifestyle.