A criminal psychologist helps police when the US president goes missing while in Sweden.
The Swedish police must ensure the US president's safety during her visit.
The police throw all their resources into the search for the missing US president.
Inger steels herself to work with Warren and the search leads to a dead body.
Ingvar suggests he and Inger Johanne team up to track down the mole inside the police.
Swedish police search for a mole within their own ranks.
Inger Johanne is surprised to find the president doesn't trust anyone in her own ranks.
