En hel egn er opskræmt, efter en hætteklædt mand gennem længere tid har forgrebet sig på ensomt boende ældre kvinde – overfaldene bliver stadigt grovere, og alle frygter, at det næste gang ender med mord. Rejseholdet bliver tilkaldt, og dermed bliver

(Fortsat).Det lykkes den hætteklædte gerningsmand, som overfalder ældre kvinder stadigt grovere, at slå til igen. Men hvordan kan han hele tiden være et skridt foran efterforskningen, som nu står i stampe? Ulf ankommer for at kræve resultater og bliver

A lawyer with a history of getting defendants to retract confessions uses the technique to exonerate the perpetrator of a crime that the team previously investigated. Then the lawyer and his family are threatened by an unknown attacker and the team is called in to protect him.

Local police overhears a shooting. A teenage girl comes running against them yelling "They're gonna kill me, they're gonna kill me!". The female police officer finds the body of Irana and Fashad Adavi in the apartment of Osmand and Leyla Güre. The reason for the murder is believed to be a matter of honour according to Osmand as he explains that Fashad supposedly has raped Yasemin, the daughter of Osmand and Leyla. The son, Dennis, supposedly shoots Fashad as he refuses to marry Yasemin. In questioning, Dennis fails to reload the pistol and is therefore not the murderer. Yasemin then claims she shot the victims. In a gynaecological examination, Yasemin proves to be a virgin. As the gynaecologist talks with Dahl, Yasemin escapes and, according to her home room teacher, hides in a botanical facility. The teacher explains that Osmand has sexually abused his daughter anally for years. IP finds the girl in time, as her father is trying to kill her with a piece of glass. In questioning, Yasemin explains that Fashad found out about her father and tried to force through a wedding with Osmand, who then kills her.

The body of the 10-year-old is found in a stream in the woods just outside of Hellebæk. No boy of the description is missing. La Cour dreams of a bag that is found at the harbour and has exactly the same interior as in La Cours dream. A social licence from the bag reveals the boy to be Martin Simonsen. DNA samples proves that the killer earlier has murdered a young boy. La Cour talks with a conductor from Odense, Claus Munk Andersen, who claims he didn't see the boy. But through a vision and investigation of other witnesses, Andersen is taken into custody. A DNA sample proves him to be the killer, but when the police moves out to arrest him, they find him hanged in his house and La Cour's fingerprints all over the place.

La Cour is taken into custody and is ordered home to Copenhagen. In the mean time, the investigation team contacts Karin, the sister of Andersen who tells them that the man that visited Andersen the night he was killed and had sexual intercourse with him probably is Sonny, a local male prostitute. Fischer is sent to the dumpster, where he finds a trash bag that contains Andersen's diary that contains information about the murdered boys and Cliff "Sonny" Jensen, whom Andersen raised into prostitution and lent to his friends. La Cour notices some ash buds and remembers what happened at Andersen's, paying Ulrik Gregersen, Andersen's brother-in-law a visit. He follows him to the dumpster where he arrests him and discovers that the trash bags he dumped there contained the body of Sonny.

Bertel Kjeldsen calls Dahl late at night to ask her to come to Fredensborg where he allegedly killed his own wife. In the meantime, the case of Britt Hjort Jespersen is brought up again as a poor autopsy of the body wasn't satisfactory. DNA samples from a new autopsy show DNA from another man. Dahl tries hard to find Keldsen, who is standing at the edge of a tall building when Dahl finds him. He tells how he killed his wife and how his son, Knud Kjeldsen, killed Jespersen. Dahl arrests Knud. Knud lies under questioning, but the DNA samples show that Knud's biological brother, Robin Hansen, who is mentally retarded, was the murderer. Knud tried to cover for his retarded brother to spare his family.

When local crime boss Bob is found murdered in his own S&M dungeon in a custom made monkey cage in Fredericia, the unit is involved in a case of revenge and jealousy.

Jette Møller is found murdered in a fish boutique in Vordingborg. Finn Møller, her husband, is taken into custody, but nothing is gaining out of his answers. Her phone is tapped and when a suspicious phone call remind Fischer and La Cour about Strangers on a Train, Møller is put under surveillance. He escapes when he sails from Vordingborg to an island. The following day, the body of Putte Bech Lorentzen is found in a sauna. Unit One suspects Larsen and arrest him. Through evidence found in the garden of Bech Lorentzen, Unit One arrests Bertram Bech Lorentzen, the husband of Putte, for the murder of Jette.

A young girl is found murdered on Bornholm and the unit is quickly involved as it looks like the work of one of Denmark's infamous serial killers, known as The Indian; unfortunately, the story spins into a personal tragedy for Ingrid.

Things are taking a turn for the worse when both Johnny and Fischer find themselves in grave danger; their cover has been blown and the bikers want them dead. This episode marks the end of the series.