Nina is a beautiful and intelligent young woman, lonely, but not at all unhappy. She has her own business, a good income, her own apartment, a car... A prosperous life did not prepare her at all for unexpected trials: suddenly Nina finds herself the main suspect in the murder of an old and good friend - her best friend's husband! Once in the bullpen, she does not know what to do, and follows the advice of a casual acquaintance to contact the search agency of Vera Berezhnaya...