: Anna realizes that Bobrov wrote an anonymous note to Nikitina's father and planted a poem in the coffin.
: The "cipher girls" successfully solve the case despite heavy pressure from their supervisor, Marina Korzun. : Anna realizes that Bobrov wrote an anonymous
: The episode features Anna's wedding day with Letnev, providing a emotional closure to her character arc. Context of Season 4 : Anna realizes that Bobrov wrote an anonymous
: Irina discovers that Bobrov's girlfriend was involved, noting her nail polish matches a fragment found at the crime scene. : Anna realizes that Bobrov wrote an anonymous