Petter Rosenlund

Varg Veum investigates the murder of a married couple; prime suspect is the stepson, but Veum does not think he is guilty. Not even when he confesses.

Carl Hamilton has just returned to Sweden after many years of secret education in the US when Stockholm is shaken by a series of terrorist attacks. Hamilton is assigned to assist the Swedish intelligence service in their pursuit of the guilty, but at the same time works as a double agent.

When the Nazis secure a heavy water plant to realize their plan to create an atomic bomb, the Norwegian Allies struggle to sabotage the operation.