The enigmatic Hallgrim Hallgrimsson is on his way to Iceland to see his sick mother when he is called back because a policeman has been killed at Copenhagen airport. Four murders and a daring rescue later detective Hallgrim Hallgrimsson, AKA The Eagle, accepts a position in the police commissioner's new team so he can work on solving the case.

When the police seize a consignment of enriched uranium, Hallgrim makes a deal with Sergei in order to discover its planned destination. Meanwhile, Frandsen's life hangs in the balance as he is checked for radiation sickness.

Hallgrim and Marie attend a conference in Sweden where they locate the person behind the Lithuanian sex trade. A price is put on Hallgrim's head, and someone comes to collect.