During a top-secret NATO operation in the Mediterranean, a Swedish attack diver is murdered. Hamilton knows the victim from his days as a Navy SEAL and travels to Toulon military base in southern France to investigate the incident.
Hamilton and Kristin go undercover to find out more information about the background to the murder. A dangerous chase, which ultimately involves the whole world.
Truck was stopped at a customs checkpoint on the Swedish-Finnish border. The driver was killed in a shootout, and there is a mysterious cargo in the truck. The trail leads to Kiruna, where Hamilton is sent on a mission.
The father of three brothers from Croatia was killed by a bomb in his car. The brothers decide to take revenge. Kristin joins Carl in Kiruna, and the secrets revealed there lead to the upper echelons of power.
A Swedish-Chinese scientist invents DNA technology that can be used as a weapon. An arms dealer kidnaps the scientist and her family to acquire the technology. Hamilton is sent to the scientist's laboratory.
Hamilton's girlfriend has been kidnapped by an arms dealer, who wants a hard drive against his girlfriend. The meeting is at a former military base in Belarus. Hamilton leaves with a team to free her.
A Swedish accountant for a Polish oil company leaks information from the company. After an attempt to assassinate him, he hides at the Swedish embassy in Warsaw. Hamilton is sent to pick him up.