Through blackmail, Benjamin Stern secures a matrix of a Euro. All he needs now is the special banknote paper that is being transported through Berlin in a camouflaged garbage truck. Hallgrim learns of his plan. In an effort to sidetrack the police, Benjamin gets a drug addict to drive a van into a schoolyard in Berlin. There's a bomb in the back, which is set to go off at noon.

The murder and abuse of a little girl in Stockholm lead Hallgrim and his team to a world-wide paedophilia network and a mysterious man who calls himself "The Groom".

A meeting in Germany between a former Serbian police chief and the only surviving witness to his part in a massacre in Bosnia goes wrong for one member Hallgrim's team.

Nazim is mortally wounded during an altercation between the former Serbian police chief Bosco, and Nino, who is the only person left who can testify against him at the war tribunal. German Intelligence finds out that Bosco is involved in international trade with some advanced electronics equipment, a so-called "jammer", which they think he will test when the Serbian Interior Minister, Milan, is visiting Denmark. In spite of death threats against her, Thea does not cancel the Serbian minister's visit. They are kidnapped. A video is sent to Hallgrim with a demand for a hostage exchange - Thea and Milan for Bosco.