The surprising connections found between the deaths of two Finnish women make Andrés and Hilka, who has returned to Finland, ring the alarm bells. It soon begins to appear that a third victim is involved in the cases.

Towards the dark. Hilkka, Andrés and Luisa track down the new suspect. In the nursing home, Aarne ponders what happens to a person after death. But who is the mystical JK and how does he relate to real estate agent Maikki Mattson?