Wonderful flowers and inexplicable murders - what do they have in common?.. And yet there is something in common: the killer puts exotic flowers in the mortal wounds of his victims. This is a serial maniac - the head of the “homicide” department Nikita Kolosov and the employee of the press center of the Internal Affairs Directorate Katya Petrovskaya have no doubts. And he clearly wants to say something by performing this strange and terrible ritual. The evidence points to the floriculture company "Kingdom of Flora". But here it is quiet and serene - florists are peacefully busy with their colorful, fragrant goods, making bouquets, compositions, panels... And only the tapestry on the office wall causes vague anxiety: on it there are crocuses, smilax, anemones, hyacinths... The very flowers that are found on bodies of the dead. Unraveling the secret of the tapestry means understanding the logic of the criminal. And Nikita and Katya find the answer. But isn't it too late? After all, farewell flowers have already been chosen and prepared for Kolosov...