Investigative journalist Nadia delves into the disappearance of privacy expert Arjen Kamphuis, who mysteriously disappeared during a holiday in Norway in 2018. Arjen's disappearance has left a hole in the lives of his loved ones. But for all of us, his disappearance is a great loss. What happened to Arjen and at what cost did he keep trying to warn us?

• Charlie Dagelet
• Ancilla van de Leest
• Sanne Terlingen
• Jim Deddes