![The Chestnut Man](https://image.chilimovie.com/public/en/300px/20210901/tdLJTZJ184PsO9QkK9aPeeAXLlo.jpg)
As the pieces of the Chestnut Man mystery fall into place and the perpetrator's motives become clear, Thulin and Hess fight to save innocent lives.
Neither Thulin nor Hess can stop thinking about the unanswered questions hanging over their case. Rosa's career unravels as a childhood memory surfaces.
The detectives find inconsistencies as they dig deeper into the Kristine Hartung investigation, while the threats against Rosa take a terrifying turn.
When a disturbing discovery provides a lead to a possible target, Thulin and Hess hatch a risky plan to lure the killer.