Episode 1
Fredrika Bergman gets assigned to the investigation of a hijacked plane, whose co-pilot, Erik, turns out to be the son of her former boss, the legendary police investigator Alex Recht.
Episode 2
Alex convinces his son to turn around the airplane without Karim's knowledge; Fredrika meets detained professor Said Khelifi, whose release from custody is one of the hijackers' demands.
Episode 3
Despite his earlier suspicions, Erik asks passenger and aircraft technician Osman to help him; Fredrika's doubts about Said Khelifi's guilt intensify as the events surrounding his arrest seem increasingly strange.
Episode 4
Erik and Osman desperately try to get into the cockpit without the passengers noticing their distress; Captain Karim Sassi becomes the prime suspect; Alex tries to locate his family; Fredrika's parallel investigation takes increasingly strange turns.
Episode 5
Eden suspects that the hijackers are counting on the plane to be shot down and pleads with Bruce to get his superiors to reconsider.
Episode 6
Lydia holds Karim hostage and Alex fails in his attempts to talk her out of it; Fredrika discovers that Adam had two siblings.