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 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.

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.

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.

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.

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 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 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 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.

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.

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

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 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?

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.

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 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.