After 4 years of residing in Washington, Inger Johanne Vik returns to Sweden and unexpected events occur.
The Swedish police devote all their resources to locating the President of the United States of America.
Inger is forced to deal with Warren, while the many differences between the culture of the Swedish police and the FBI come to light.
It's revealed that the leaks from the Swedish police are in fact from someone inside the Task Force.
Inger seeks Hedvig's help after she finds out that she is being watched.
Warren faces difficulties in persuading the rest of the FBI to hear his theory about the secret behind the disappearance of the president.
Ingvar grudgingly agrees to join forces with Warren in an attempt to locate Inger and President Helen Tyler.
An assassin pursues the missing President of the United States, whose whereabouts remain unknown along with Inger and Hedvig.