Eight years ago, investigator Kopylov was investigating the death of a young woman, Alina Savelyeva, a happy mother and wife. She was found hanged in her country house on Christmas Eve. Then the case was closed, and Alina was declared a suicide. And now her father and eighteen-year-old son Kirill came to Kopylov and demanded the resumption of the investigation based on the suspicions they had about Alina’s husband Gennady. After the assassination attempt on photographer Ilya Shelestov - a witness who provided Gennady with an alibi many years ago - Kopylov again takes up the investigation of that long-standing story, especially since a new mysterious character appears in the case...