To his own surprise, Stan is having an extramarital affair with the beautiful Saskia. When she is threatened, she calls on him for help, putting him in a difficult situation. Newcomer Noucha discovers that a shipment of explosives has been stolen during a bankruptcy. That is dangerous enough, but then there is also a report that a dangerous jihadist has gone into hiding in Rotterdam. While one team is pursuing the jihadist, Noucha is uneasy about the tips that led to this hunt.

Stan's girlfriend Saskia disappears. Stan knows she was being threatened, but he doesn't know exactly by whom. Could her former boyfriend Frits Nekke be involved? There's no time to find out, because the city of Rotterdam is being terrorized by a sniper who must be tracked down at all costs. Is it someone who harbors a grudge against the municipality, or is it a confused person living in his own reality? Only when the team unravels the shooter's modus operandi can they set a trap. Hein Berg arranges a meeting with the young infiltrator Charlie in a special way.