A balmy summer night. The stillness is broken when a Jewish neuroscientist is found strung up by his feet above a grave in Stockholm. Meanwhile, a car is waiting outside a refugee facility in Vresta with the engine running. A few minutes later, a risky escape to a distant destination begins. The following morning a zookeeper makes a macabre discovery in the wolverine enclosure at Skansen, and the leads slowly start to take shape. The summer has started badly for the A-group. The cold winds of change are blowing through the corridors of National CID and somewhere out in Europe evil lies in wait for inspector Arto Söderstedt. (Part 2)

A balmy summer night. The stillness is broken when a Jewish neuroscientist is found strung up by his feet above a grave in Stockholm. Meanwhile, a car is waiting outside a refugee facility in Vresta with the engine running. A few minutes later, a risky escape to a distant destination begins. The following morning a zookeeper makes a macabre discovery in the wolverine enclosure at Skansen, and the leads slowly start to take shape. The summer has started badly for the A-group. The cold winds of change are blowing through the corridors of National CID and somewhere out in Europe evil lies in wait for inspector Arto Söderstedt. (Part 1)

A police officer shoots and kills an African immigrant who is going to be deported from Sweden. Kerstin Holm is assigned the task of interviewing the police officer, who turns out to be her ex-boyfriend, Dag Lundmark. During a break in the interview, Lundmark disappears without a trace. Meanwhile, a burglar breaks into an apartment where he finds a body with a suicide note next to it. The letter leads to the discovery of two more bodies in a marsh in Värmland. (Part 2)

A police officer shoots and kills an African immigrant who is going to be deported from Sweden. Kerstin Holm is assigned the task of interviewing the police officer, who turns out to be her ex-boyfriend, Dag Lundmark. During a break in the interview, Lundmark disappears without a trace. Meanwhile, a burglar breaks into an apartment where he finds a body with a suicide note next to it. The letter leads to the discovery of two more bodies in a marsh in Värmland. (Part 1)

A Swedish family are on a road trip in the Austrian Alps, when suddenly their car violently explodes. The man, his wife and their baby are killed instantly. The case ties directly with the A-group. The man killed was a policeman working undercover in Rajko Nedics organization. Nedic is a celebrity, loved by the tabloids, famous for his three star restaurants, and wanted by the police on suspicion of running a drug cartel. (Part 2)

A Swedish family are on a road trip in the Austrian Alps, when suddenly their car violently explodes. The man, his wife and their baby are killed instantly. The case ties directly with the A-group. The man killed was a policeman working undercover in Rajko Nedics organization. Nedic is a celebrity, loved by the tabloids, famous for his three star restaurants, and wanted by the police on suspicion of running a drug cartel. (Part 1)

An American serial killer is on board a plane from New York to Stockholm. Without a proper identification and with great urgency A-group try to locate this passenger before Sweden inadvertently imports it's first American serial killer. The serial killer enters Sweden, and very soon he begins his killing spree. His methods are blood thirsty and can be traced back to the Vietnam War. A collaboration with the FBI begins in an desperate attempt to catch him. (Part 2)

An American serial killer is on board a plane from New York to Stockholm. Without a proper identification and with great urgency A-group try to locate this passenger before Sweden inadvertently imports it's first American serial killer. The serial killer enters Sweden, and very soon he begins his killing spree. His methods are blood thirsty and can be traced back to the Vietnam War. A collaboration with the FBI begins in an desperate attempt to catch him. (Part 1)

Three Swedish financiers are murdered over three consecutive nights. Evidence suggests that the killings will continue and the world of finance is panicked. The police quickly set up a special unit under the leadership of Detective Jenny Hultin. She hand picks six police officers from across the country and they form the so-called A-group. Under enormous pressure they attempt to solve the case before more finance officers are murdered. (Part 2)

Three Swedish financiers are murdered over three consecutive nights. Evidence suggests that the killings will continue and the world of finance is panicked. The police quickly set up a special unit under the leadership of Detective Jenny Hultin. She hand picks six police officers from across the country and they form the so-called A-group. Under enormous pressure they attempt to solve the case before more finance officers are murdered. (Part 1)