Hamilton tracks down Sonja to tell her the truth. Their meeting is cut short however when the police brings her in for questioning. Birger helps Hamilton dig up evidence of Haig lying about his mission.
Hamilton is betrayed by Tarabasov just as Stockholm is struck by a new, massive cyber-attack. The country's media is spammed by prefabricated articles about terrorist attacks that have not happened yet.
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.
Haig gives Hamilton an order he can't possibly execute. Kristin gets into trouble privately when marriage breaks in the joints. Hamilton and Sonja head off to her cabin and can finally relax, but a surprise awaits.
In order to find the intel which Borisov passed on to Norling before his death, Hamilton travels to Ukraine, unknowing that Haig has hired assassins for the same goal.
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.
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.
Hamilton walks trough the streets of Stockholm, on the lookout for several persons. A series of explosions goes off in what seems like a terrorist attack.