 Grijpstra and De Gier investigate the death of a fellow police detective whose corpse is missing its right arm. They search for the culprit in a brothel. The detective s parter visits the police station and turns out to be an old mentor of Grijpstra. De Gier s fear of commitment plays up when he and Hetty are looking for a house to buy, prompting her to leave him- and the police station- for good.