S01E01 Who are you?
The life of history teacher Jurre Jansen is stuck in a rut, but this changes after an anonymous act of heroism.
Jurre asks Moek to teach him how to fight. Saar receives a USB stick from an anonymous sender. Tom's emotions take over.
History teacher Jurre and public prosecutor Sarah each battle the criminal world in their own way. Although the two have been married for years, they keep their double life a secret from each other in order to protect each other and their family. The situation is getting more and more dangerous and their children are no longer safe either.