The program is about those who, from one day to the next, are suddenly gone from the lives of their family and friends. Each case is a mystery where one wonders; “what exactly occurred?” Often the answer is a tragic or terrible event.
The series considers cases that the police have not been unable to solve and where the evidence points to events in another country. The aim is to attempt to solve the mystery.
With an average viewers share of +45 percent through years this is it one of the most seen programs on DR1.