An American senator is visiting Stockholm. A group of terrorists is determined to assassinate him. Detective Inspector Martin Beck is determined to stop them. At the same time, there is the ambiguous case of a young woman on trial, the latest in a long string of bank robberies plaguing the city, and the mysterious circumstances of a millionaire porn filmmaker found brutally murdered at his mistress’ house. Will Beck be able to manage each unravelling case and prevent further atrocities, even when his own life is put on the line?