The detectives go to his home and question Pernille. Meyer convinces Lund to speak to the video card holder, believing that he may have been responsible and might reveal his involvement despite the lack of a complainant. When he is unable to fix the leak, he agrees to hire a plumber and pulls his wife to the floor, kissing her. Theis and Pernille have a loving relationship Theis is called home during the day and is able to joke about their broken dishwasher when it floods their kitchen. He is levelheaded in his business, easily placating an angry customer when his employee damages some of their stock. His two sons are aged six and seven while his daughter Nanna is older.

He works from his home, sharing it with his wife Pernille Birk Larsen and their three children. Theis is a business owner, delivering stock to fruit and vegetable shops throughout the city. His chief adviser Rie Skovgaard returns his watch, found under her bed they are sleeping together. His staff prepare him with statistics about the Mayors lack of support for inner city schools. Hartmann is late to arrive because he stops to visit a grave. Mayoral election candidate Troels Hartmann is gearing up for a campaign debate with his incumbent opponent. Among the evidence at the scene are her bloodied size 8 underwear and a video card in the name Theis Birk Larsen. They are assigned to investigate the crime scene and initially believe the evidence to represent an unreported assault against a prostitute. She is packing up her office when her replacement, Jan Meyer arrives. She speaks to her boyfriend who confirms that he has finished packing and is ready for the flight later that night. Her colleagues stage a mock crime scene as a light hearted goodbye and give her a set of skis as a farewell present. Detective Sarah Lund is preparing to move her son to Sweden to join her boyfriend, a university lecturer. The disappearance of Nanna Birk Larsen goes unnoticed until the discovery of some of her possessions in marshland outside Copenhagen. She discovers Nanna's body in an abandoned car belonging to the election campaign of Mayoral candidate Troels Hartmann. Detective Inspector Sarah Lund is forced to postpone her move to Sweden when she is assigned to investigate the murder of Nanna Birk Larsen.

The killing danish storyline