寒冷的一天,瑞典的赫斯瓦村庄不再平静,一夜之间,共有19条生命被残忍地杀害。警察们推测凶手是一位精神不正常的杀人魔⋯⋯ 从瑞典小镇上的屠杀案写起,层层揭秘一起跨国答案,观众与敏感、坚韧的女法官罗斯林一起横穿整个瑞典,又相继追踪来到哥本哈根、北京、伦敦⋯⋯A cold day in January 2006. The police make a horrible discovery in the Swedish town of Hudiksvall: In one night, 18 people have been brutally murdered in the small town. The police suspect a madman is behind the bestial act. But when judge Birgitta Roslin hears the news, she instantly knows that her grandparents August and Britta Andrén are among the victims. And even more: Almost everybody killed somehow relates to her. She realizes that the police are following a wrong track and starts to investigate on her own. Her search leads Brigitta to China where she finds out about the cruel scheming of the leading elite.