Three corpses are found one by one in a small town. Young men, husbands and fathers, are killed by a strange tool in the heart area. The mayor of the city, Anita Komarets, suspects that forces who do not want to see her in the mayor's chair after the next elections are involved in the killings. And his own stepdaughter, fanatically carried away by Kiku's chrysanthemums, also does not allow to relax. To unravel this strange tangle, investigator Polina Kargopolova comes to the city. What secrets will she discover among the fallen petals of autumn chrysanthemums?