The criminal police is investigating a criminal gang blackmailing restaurant owners.

A criminal gang use illegal immigrants as labor on the black market.

A small criminal who is reported missing is found murdered in the safe of a known bank manager. While working with the motive behind the murder it is discovered that a large amount of counterfeit shares and bonds are in circulation. Hassel and his colleagues recognize that there are interests in the business community who are involved in the scandal, people who don't shy away from clearing away cumbersome barriers to safeguard their economic power.

The kidnapping of a DA's wife, the murder of several minor criminals and the police finding a large stash of weapons is all in a day's work for criminal detective Roland Hassel.

Criminal detective Roland Hassel and his colleague Bolinder is investigating a criminal gang involved in the meat packing business. Bolinder is murdered in front of Hassel and the criminals are out to kill Hassel, the only witness.

Roland Hassel is chasing a criminal who deals with stolen luxury cars and narcotics.

Three prisoners, all specialists within their area, are freed from prison in a dramatic fashion. But who helped them - and why?

Roland Hassel gets involved in a tangle of lies, betrayal and industrial espionage.

The executive of Zting Air is blackmailed. He has to pay 3,000,000 SEK or else his wife will be killed and a plane will explode mid-air.

Roland Hassel meets the dangerous Russian mafia.

Retired police detective Roland Hassel (Lars-Erik Berenett, who played Hassel on TV in the 1980s) is determined to solve the 1986 assassination of Swedish Prime Minister Olof Palme. Without access to police files, however, the best he can manage is to attend an inept re-enactment on the 25th anniversary of the murder...

Valentin Karlberg is reported missing in Stockholm and Detective Roland Hassel must find him before it’s too late.