A serial killer who decapitates people is on the loose in the Stockholm subway. Martin Beck and his colleagues try to catch the killer, while the panic in the city increases.

Two patrolling cops stumble on to three criminals who have just stolen large amounts of explosives, and are killed in cold blood. Martin Beck and his team must now work day and night to find out who the killers are and what they are planning to do with the explosives before it's too late. Meanwhile, Gunvald Larsson who was a close friend of one of the murdered cops is ignoring all rules in his quest for revenge.

A brutally battered woman, Monika, manages to flee from her home with her two children. Later, the body of a dead man is found in the same house. The murder was preceded by an assault; bloodstains found in the kitchen correspond to Monika’s DNA.

A small girl is found dead in a deserted underground cellar. She has been dead for some time but there is fresh food for her. Who is she?

Two girls are hit by a train and killed instantly. Was it murder or a double suicide? Martin Beck and his team must answer the question of whether the pressure and intimidation faced by these young women in their everyday lives led to their deaths.

A man working at a garbage incinerator watches the body of a dead man burned to ashes in the oven. Police detective Martin Beck handles the case. All he knows is that a brutal murder has happened. But he does not know when or where. He has no body, motive or a crime scene, not a single trace. All he has is some teeth and a mysterious Internet adress.

Beck and his team are trying to find a serial killer whose victims are spread all over Sweden. An obvious connection is that all the victims are women, and they were all in the same class, and Beck thinks that a scandal back in the past has something to do with the murders. But no one wants to talk about the past and it becomes a struggle to find the perpetrator before the final murder - only one woman is still alive.

Martin Beck, Gunvald Larsson and Alice Levander investigate the mysterious murder of an accountant that was found shot to death at the airport parking. At the same time a reporter receives a package from an anonymous source, with information regarding the embezzling of funds that should have been used for fixing up nuclear reactors. When the reporter contacts Beck, his home gets blown up by a bomb.

A man is raping women after having met them through ads on public noticeboards. At first this seems like an easy crime to solve for Martin Beck and his colleagues but they soon discover that somebody's motivations are far more complex.

A series of grisly murders where the victims faces have been removed by acid starts to turn up around Stockholm. Detective Martin Beck and Gunvald Larsson are once again drawn into the darkness.

Beck and his men investigate the murder of a Russian woman. At the same time, SÄPO (The Swedish Security Agency) sees a chance of getting a Russian in the embassy deported.

Martin's grandson Vilhelm Beck is out on a routine mission with his supervisor when he finds a dead 17-year-old boy at the crime scene. It immediately becomes a case for Alex, Martin and the others in the Beck group.After a raucous youth party in a residential area outside Stockholm, one of the party-goers is found dead.

A man is found dead at a flea market in southern Stockholm. It looks like an ordinary robbery gone wrong, but the investigation takes an unexpected turn when the secret police (Säpo) take an interest in the case.

When a body is found in a trailer after a fire, police supervisor Klas Freden goes over Beck's head and recruits a Norwegian homicide investigator.

An ex-policeman is found murdered in his house, along with his wife and child. The case stirs strong feelings at police HQ and takes highest priority.

When traffic officers on a quiet morning shift try to stop a car for speeding they are shot at and one of them is killed. Beck and his team lead an extensive search for the ruthless killer.

When the body of a young woman is found in a Stockholm hotel room, Martin and Gunvald investigate under the supervision of their new boss Klas Freden.

During a spontaneous intervention, a macabre find is made in the trunk of a car. It will be Alex's task to lead the investigation of a cruel murder mystery, all the while the Beck group is put under severe pressure both internally and externally.

A jawbone is found in the middle of the forest. When the rest of the body is found, it turns out it has been recently moved and belongs to Viktor Eklund, who has been missing for five years. His mother, well-known author Cecilia Eklund, has just managed to put his disappearance behind her. Martin Beck was investigating the disappearance but Alex thinks the case is unusually thin and not worth Martin pursuing further, although he thinks differently.

The police is under heavy media pressure after fatally shooting a 14-year-old boy. A demonstration against the violence gets out of hand and the police have to take further blame

A young boy has been found murdered, and the Beck group's investigation leads them to a narcotics network.

After a period of rehabilitation, Martin Beck is back on duty. He and the rest of the group are thrown into a case where the body of a notorious Danish professional criminal is found in the water at Liljeholmen. A body is found floating in the water near Liljeholmen. The dead man is a 39-year-old Danish citizen with a hefty criminal record as a member of a notorious Danish drug network. When his car is found in a suspicious location, Alex and Josef start running surveillance on it. It isn't long before one of the Danish man's associates shows up there. The Danish gang has been weakened over the course of several years after a big bust which sent many of their top ranked members to prison. Maybe the Swedes are preparing to take over? Is the Beck group about to get caught in the middle of a gang war? The gang's leader is serving time in Swedish prison, and the only person he is willing to talk to is Steinar Hovland.

A homosexual police officer's double life is paid by Beck's archenemy, Gavling, a man who runs Stockholm's underworld. In return, the officer has been providing Gavling with secret information from the police archives.

Former sports minister John Vedén disappears and it quickly becomes apparent this is connected to his addiction to gambling.

A famous Swedish lawyer is brutally murdered in his apartment. Martin Beck and his team find a clear murder motive. Hansson had a good chance of winning a case against a multinational company. But it appears Hansson was not completely honest and had several links with the underworld.