Josef is suspended, pending an internal investigation of his alleged assault of Säpo agent Klas Fredén, who has climbed to even higher heights within the police organization.

When the body of a district attorney is found suspicion falls on the leader of a motorcycle gang, but then his body is also found in similar circumstances.

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.

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 paparazzi photographer is found dead, his apartment ransacked. Was the motive for the murder revenge, blackmail or something even more sinister?

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

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.

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.

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.

A man is found dead, stabbed to death with a knife. The shocking thing is that his face has been removed. After questioning his wife who described the marriage as happy also told that a mysterious foreign man knocked on their door the day before the murder. Beck and his men are given the case.

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.

A teenage girl is found by her parents brutally raped and murdered in the woods. It's now up to Beck and his team to catch the criminal.

The Beck group are called out to investigate a man who was brutally murdered in his own home.

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.

A bomb threat is called in to a police station in Stockholm. The police bomb squad blows the briefcase to pieces and it looks like false alarm, until a baby is found inside. Soon, e-mails are sent out to every newspaper about the nasty situation that the police had tried to keep secret. Will the police ever overcome the "Monster"?

An Asian woman is found dead in the water of Stockholm's archipelago. She has been murdered, and everything indicates that she was a prostitute. Meanwhile a series of break-ins has occurred on an island outside of Stockholm. Suddenly a retired old man is also found dead in his own yard. Now Beck has two cases to solve and they both point in the same direction.

Mother of an autistic boy is found murdered in her home. The boy holds the murder weapon, covered in blood.