S1 E1 • Jour 1 : Lundi 3 novembre

Police detective Sarah Lund is about to leave her job in Copenhagen to move to Sweden. Troels Hartmann is gaining ground in his efforts to lead his party to power at city hall. Theis and Pernille Birk Larsen are the happy parents of three children. The discovery of the blood-stained belongings of a young girl prompts a police investigation that will change the lives of all involved.

Première diffusion : 7 janvier 2007

S1 E2 • Jour 2 : Mardi 4 novembre

Nanna's parents identify her body, and details of her sufferings are uncovered. Lund keeps postponing her departure, and tension arises between her and her new partner as they investigate the connection to city hall and a known criminal identified as the driver of the car Nanna was found in. Hartmann is faced with the choice of cooperating with the police or protecting his political future.

Première diffusion : 14 janvier 2007

S1 E3 • Jour 3 : Mercredi 5 novembre

Lund and Meyer track down the driver, who ends up injured in the hospital, but also supplies an alibi. They refocus their investigation on Nanna's school. When the story of the connection to his campaign breaks, Hartmann finds himself in media turmoil. The Birk Larsens try to cope with their loss as they arrange the funeral..

Première diffusion : 21 janvier 2007

S1 E4 • Jour 4 : Jeudi 6 novembre

The police investigate the crime scene they have found at Nanna's school and suspect her classmates Oliver and Jeppe of wrongdoing. Sarah Lund's fiancé shows up in Copenhagen, and she promises to leave for Sweden without delay. Meanwhile, Hartmann learns that a trusted employee has sent a suspicious email.

Première diffusion : 28 janvier 2007

S1 E5 • Jour 5 : Vendredi 7 novembre

Hartmann has won a new political ally, but is drawn into the murder case again when the police uncover new information which turns their suspicions towards teachers at Nanna's school. Theis Birk Larsen is troubled by the financial strain of the house he bought before Nanna's death. He begins to grow weary over the lack of progress in the case and seeks his own sources of information.

Première diffusion : 4 février 2007

S1 E6 • Jour 6 : Samedi 8 novembre

Lund and Meyer investigate teacher Raman al Kemal's actions on the night of the murder. Hartmann learns of foul play at city hall, and his campaign is put under pressure when his opponent reveals Hartmann's ties with the suspect in a TV debate. On the day of Nanna's funeral, Lund is finally on her way to Sweden, and the appearance of one particular guest makes Nanna's father offer him a ride home.

Première diffusion : 11 février 2007

S1 E7 • Jour 7 : Dimanche 9 novembre

Lund decides to stay in town to continue the investigation even though it puts her relationship with Bengt under strain. Rama is questioned as the main suspect. When Hartmann chooses not to suspend him, it puts his political position under threat

Première diffusion : 18 février 2007

S1 E8 • Jour 8 : Lundi 10 novembre

The police locate the place where Nanna was killed, and Rama is charged with the crime. Hartmann is fighting for his political life, but ends up making a tough choice. Meanwhile, Bengt is in a car accident on his way to Sweden, but tries to help Lund from his hospital bed. When the evidence is cast into doubt, Rama is released, but someone has other ideas.

Première diffusion : 25 février 2007

S1 E9 • Jour 9 : Mardi 11 novembre

Theis Birk Larsen's brutal punishment of Rama is interrupted by the police, and Theis is arrested. Lund and Meyer refocus their investigation on the car used by the murderer, knowing that if they do not make progress they might be taken off the case. As it becomes known that Rama is no longer a suspect, Hartmann shakes things up at city hall and relaunches his campaign.

Première diffusion : 4 mars 2007

S1 E10 • Jour 10 : Mercredi 12 novembre

Bengt leaves for Stockholm. Lund and Meyer are hindered in their investigation by a secretive boss, but Lund continues inquiries and is dismissed for her sins. Hartmann strikes a deal with higher powers in order to secure his bid for mayor, and a public debate is the scene of a change in political fortunes. Theis is released from prison, new secrets are uncovered about Nanna's last months, and in a last bid to forward the investigation, Lund unlocks the door to a new piece in the puzzle.

Première diffusion : 11 mars 2007

S1 E11 • Jour 11 : Jeudi 13 novembre

Having located a likely crime scene, Sarah and Jan know who they are looking for, but as the investigation leads again in the direction of Troels Hartmann's Liberal Party, the reactions of their superior officers are puzzling. Troels comes under great pressure both in his private and public life. Pernille becomes estranged from Charlotte and Theis.

Première diffusion : 23 septembre 2007

S1 E12 • Jour 12 : Vendredi 14 novembre

Sarah and Jan interrogate mayoral candidate Troels Hartmann. With the weight of the incriminating evidence pointing unequivocally to him, Troels has no choice but to divulge private information to the police and a whole new can of worms is opened as a result. Theis becomes desperate to hold on to wife Pernille, who is drifting further and further away emotionally.

Première diffusion : 30 septembre 2007

S1 E13 • Jour 13 : Samedi 15 novembre

Hartmann faces increasing attention from the police and media, and there is a suspicion he may be withholding information. Meanwhile, there are strange occurrences at the town hall, Pernille and Theis deal with their problems, and Lund receives troubling news.

Première diffusion : 7 octobre 2007

S1 E14 • Jour 14 : Dimanche 16 novembre

A major part of the investigation is stopped in its tracks, leading prime suspect Troels Hartmann to come under further scrutiny - and his political opponent Bremer takes advantage. Meanwhile, Lund and Meyer continue their own line of inquiry, Pernille begins losing touch with her family, and Theis' emotional state plunges.

Première diffusion : 14 octobre 2007

S1 E15 • Jour 15 : Lundi 17 novembre

Lund encounters a potentially deadly situation, but no one knows her whereabouts. Meanwhile, the mystery of the murderer's identity looks like it may finally be resolved, Bremer delivers a blow to Hartmann's political career, and Pernille finds herself in need of help.

Première diffusion : 21 octobre 2007

S1 E16 • Jour 16 : Mardi 18 novembre

Lund refuses to believe her superiors' insistence that when they insist the murder has been solved, and considers continuing her investigation alone. Hartmann prepares to reveal embarrassing truths as Bremer makes a gesture of goodwill, while Pernille and Theis attempt a reconciliation.

Première diffusion : 28 octobre 2007

S1 E17 • Jour 17 : Mercredi 19 novembre

Lund and Meyer become convinced there is a link between Nanna's murder and a case that has remained unsolved for 15 years, and frantically try to find evidence. Meanwhile, Pernille and Theis are confused by the fact the case is far from closed, and Hartmann puts everything on the line in a bid to win the election.

Première diffusion : 4 novembre 2007

S1 E18 • Jour 18 : Jeudi 20 novembre

Lund and Meyer get more than they bargained for when they visit an abandoned warehouse in their search for evidence. Meanwhile, a prime suspect disappears, and Hartmann struggles to get back into the political arena - but is contacted by a journalist whose efforts to dig up dirt have had some success. Theis and Pernille try to move on from the past 18 days' events and take their sons to see the new house.

Première diffusion : 11 novembre 2007

S1 E19 • Jour 19 : Vendredi 21 novembre

Lund finds the odds stacked against her as the search for a missing suspect takes an unexpected turn, and Hartmann and Bremer take part in a dramatic, live TV debate amid a stream of revelations. Meanwhile, it seems something is amiss as Theis and Pernille prepare to move into their new house.

Première diffusion : 18 novembre 2007

S1 E20 • Jour 20 : Samedi 22 novembre

Lund is determined to catch Nanna's killer despite being taken off the case, and Hartmann is on a downward spiral - until he receives crucial information. Meanwhile, Pernille and Theis invite friends and family to Anton's birthday party - but there is a sinister twist to the evening in store.

Première diffusion : 25 novembre 2007