
In present-day Copenhagen, investigator Naia Thulin and Europol investigator Mark Hess investigate the murder of dentist Laura Kjær, which involves a small chestnut figurine left at the scene. He only finds the youngest son and the daughter alive, but is killed by an unknown assailant. In 1987, police officer Marius Larsen searches the Ørum family residence, where he discovers almost all members dead.
Esben Dalsgaard Anderssen as Steen Hartung, Rosa's husbandĭorte Warnøe Høgh, David Sanderuter, Søren Sveistrup, Christoffer Örnfelt, Elsebeth Nielsen. Iben Dorner as Rosa Hartung, the Danish Minister of Social Affairs, whose daughter Kristine has disappeared. David Dencik as Simon Genz, a forensics worker with the Copenhagen police. Mikkel Boe Følsgaard as Mark Hess, an investigator from Europol who temporarily returns to Copenhagen. Danica Curcic as Naia Thulin, an investigator with the Copenhagen police. A mysterious piece of evidence is soon discovered on the chestnut man-the fingerprint of a missing girl, the daughter of politician Rosa Hartung. With her reluctant new partner, Mark Hess, they notice a tiny figurine made of chestnuts lying next to the body. Detective Naia Thulin is assigned to the case. More than thirty years later, in present-day Copenhagen, a young woman is found murdered in a playground with one of her hands missing. The Chestnut Man opens with the discovery of the murder of an entire family on an isolated farm in 1987.