Эта горькая сладкая месть

The life orientation of the amateur detective Dasha Vasilyeva - if not me, then who? .. Having become an accidental witness to the murder of Katya Vinogradova, who was put on a drip with a lethal dose of a heart drug, Dasha rushes in search of the criminal. Upon learning that the murdered woman has a son imprisoned for a crime he did not commit, Dasha decides to help him free himself. But then the case takes an unexpected turn - someone's ruthless hand, one by one, removes the witnesses, one way or another connected with the murdered woman and her son. The queue comes to Dasha - she dug too much. However, it is not so easy to deal with this fragile, but such a resourceful woman...