Ragna must track down Cato and stop the attack Ole warned her about. However, with time running out, she is forced to cross a border she thought she would never cross.
Ragna gets locked in an abandoned factory hall and with her secret identity threatened; when a leak inside the terrorist cell is revealed, Brehme is prepared to use all means to expose the infiltrator.
After arriving in Berlin, Ragna approaches Ole and learns more about the ideology behind the cell's plane, but just when she thinks she has control over the situation, her worst fears come true.
Asgeir is forced to face the consequences of his actions, and more problems follow when a threat from his past reappears; in order to protect her identity, Ragna makes a deal with Asgeir .
After moving with his daughter to a small picturesque town in western Norway, Asgeir learns that dark forces lurk and soon finds himself involved in something much bigger than just small-town crime.
A terrorist cell crosses the border into Germany and encounter a lack of security; Ragna and Ole must take refuge in the countryside, where Ragna discovers how influential her blog can be.
Ragna reveals how far she is willing to go to become part of the group and continue her mission; when Asgeir's identity is leaked, neither he nor his daughter are safe anymore.
Asgeir is in Lofoten, where he follows a money trail to get a hold of Ziminov; Ellen is on leave, but she is restless and eager to return to work; the growing number of online threats against Jonas worries the Ministry of Justice.
Poland is in revolt and the European democracy is in jeopardy; Ellen attempts to stop the attack; Asgeir asks Chief to help him; the NATO summit is about to begin as the Minister of Justice makes a crucial decision.