Police detective Sarah Lund investigates difficult cases with personal and political consequences. Police detective Sarah Lund investigates difficult cases with personal and political consequences.
Detective Sarah Lund is about to move to Sweden with her boyfriend and son, but her plans are derailed when she receives a disturbing dispatch. When it's discovered that a prominent politician might be connected, the case's stakes get higher.
Theis and Pernille's worst nightmare comes true when it's confirmed that they're 19-year-old daughter Nanna has been found. The car she is found in is linked to the office of mayoral candidate Troels. Sarah postpones her move for a week.
Sarah and Jan track down the driver of the car but Jan's impatience deters the investigation. Troels and his political advisor, Rie, realize that confidential information is being leaked from their office. Is it the police or someone internal?
Sarah and Jan find suspicious evidence in the high school basement and zero in on Nanna's ex-boyfriend Oliver and his friend Jeppe. Troels and Rie try to eliminate the leak as the crime begins to increasingly affect his campaign.
Sarah realizes that Nanna's friend Lisa may be hiding something about the night Nanna disappeared. New information turns Sarah and Jan's attention to another lead. Rie tries to steer Troel's campaign out of trouble.
Troels lands in more trouble when someone who is part of his campaign becomes a suspect, and the police believe he tried to hide this information. As Pernille and Theis say goodbye to their daughter, Theis inserts himself in the case.
Just when Jan thinks he's in charge of the case, Sarah returns after learning worrying information about Theis. All evidence now seems to point to Troels's campaign connection, forcing Troels to choose between his advisors and his own morals.
After Sarah and Jan find more damning evidence, Troels is presented with an ultimatum and his candidacy hangs in the balance. Just when Theis and Pernille believe that the case is coming to a close, something inexplicable happens.
Theis and Vagn have taken the law into their own hands, stalling the investigation. Sarah and Jan have 24 hours to find conclusive information or they will be taken off the case. Troels's campaign undergoes a radical change.
Sarah and Jan pursue a vital new lead but are taken by surprise when someone unexpected intervenes. In her personal life, drastic personal changes affect Sarah. Meanwhile, Troels attempts to establish a new alliance.
