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

Inspector Beck and his team get involved in a large-scale smuggling of cesium 133. A gang from the east uses refugees who with a promise to stay in Sweden and with danger to their own life take in the dangerous explosive chemical substance.

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 Alex is alerted to a brutal murder, she brings the temporarily suspended Vilhelm and her colleague Josef to the crime scene. The victim turns out to have connections to the digital university Howl, which investigates the role of men in a changing world. At the same time, the case is linked to an older investigation into the "Balcony Man", which brings Martin Beck back to the department.

When the police uncover a narcotics smuggling operation, the driver is shot dead. The man turns out to be Superintendent Martin Beck's son. Beck breaks down and steps away from the investigation but later returns at his colleagues request.

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"?

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 Greek restaurant owner is brutally tortured and killed. Beck and his team investigate, and are drawn into a world of smuggling, threats, and violence.

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.

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

The bodies of two men are found buried in the woods and, despite persistent attempts, they cannot be identified. When another man is murdered the police discover new evidence which they believe links the murders to an Islamist terrorist cell.

Beck gets a call from a colleague who's in Stockholm for an art auction. He was outbid by a woman who was later found dead in his hotel.

An elderly woman dies in a hospital in Stockholm from what seems to be an incurable disease, but her son refuses to believe that it was the disease that killed her.

When the coach of a suburban junior hockey team is murdered, the police investigate. Martin struggles in his new position.

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?

When the charred remains of a woman are found, Sapo, the Swedish Security Services, suspect Gunvald Larsson of being mixed up in her murder.

When a well-known crime boss is murdered by a sniper in front of his family, Beck and his team are challenged to discover which one of his many enemies could be responsible for the crime.

An investigative journalist is found murdered in his home, along with the fingerprints of a notorious criminal debt collector.

Martin Beck is drawn out of retirement into a case of a missing girl in Stockholm.

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.

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.

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

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 candidate for the Nobel Peace Prize is brutally stabbed to death in central Stockholm following a meeting with two lawyers from the war tribunal in The Hague. One of the witnesses worked with Alex when she was stationed in the Middle East and they have an attraction to each other that makes Josef think she should stay out of the investigation. Meanwhile, Klas Fredén is pressuring the group to resolve the politically charged case before SÄPO takes over.