Pierre Mertens is the head of the Antwerp State Security cell, the Belgian secret service. Together with his team he goes looking for a few kilos of missing Semtex.

Algerian Defense Minister Mourad Djebar has arrived in Brussels for the NATO summit. At the end of last year, Djebar escaped an attack claimed by the rebel group MLA

The team is unable to get a grip on a Jewish criminal gang, despite the good contacts between Farah and her informant Samuel Bloch. Can they trust Bloch any longer?

A hacker from Anonymous leaves a message on the computer of the Minister of Justice: Chris Rogiers, who is in pre-trial detention for cyber attacks, must be released.

When the young Syria fighter Ruben De Bruyne returns home, he is embraced by his family. However, the team decides to observe the boy.

Iwein Van Werde, a former key figure of the far-right Blood & Honour, resurfaces after years when he rents a room for a stylish private party. The team does not trust the matter.

The team investigates Peaceful Minds, a mindfulness organization, which Rob believes is a front for Milner's cult. Yet Rob also finds no concrete evidence.

When the team is put on the trail of Professor Felix Tambuyser and his bizarre behavior, there are immediate fears of scientific espionage.

An innocent fight between two boys is used by extremists to pit Jews and Muslims against each other. The team is doing everything they can to defuse the situation.

During a raid on one of Chaim Rosenthal's hiding places, Alexander never loses sight of Rob. Yet Rob manages to completely botch the action.