Episode 1

Thulin and her reluctant new partner, Hess, investigate a gruesome murder. Politician Rosa Hartung returns to work after her daughter's disappearance.

Episode 2

Hess uses unorthodox methods to prove a theory about the Hartung case. The detectives chase a lead linked to a text message. Rosa faces another threat.

Episode 3

When a disturbing discovery provides a lead to a possible target, Thulin and Hess hatch a risky plan to lure the killer.

Episode 4

The detectives find inconsistencies as they dig deeper into the Kristine Hartung investigation, while the threats against Rosa take a terrifying turn.

Episode 5

Neither Thulin nor Hess can stop thinking about the unanswered questions hanging over their case. Rosa's career unravels as a childhood memory surfaces.

Episode 6

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.

Episode 1

Unsettling stalking evidence found on a missing woman's phone leads the Copenhagen police to re-examine an unsolved murder from two years earlier.

Episode 2

Developments in the case revive hope for grieving yet determined Marie. Meanwhile, a new father receives a disturbing email from a stranger.

Episode 3

A sinister invitation leaves Naia fearing for her safety. Mark pursues a new theory in the stalking case that leads them to a troubled married couple.

Episode 4

Reeling from a recent tragedy, Mark and the investigating team chase a dangerous suspect to a countryside inn — only to make a shocking discovery.

Episode 5

The police celebrate an apparent victory, but Mark is unconvinced. As he desperately digs for evidence, an eerie case from the past catches his attention.

Episode 6

As pieces of the chilling puzzle fall into place, the police race to uncover a hidden identity. But with time running out, will the killer strike again?