Katrine Ries Jensen警探和法律神经病专家托马斯·谢弗正在哥本哈根警局组建了一个连环杀人案调查小组。随着调查的深入,慢慢隐现了一个与谢弗过去处理过的一个案子有关。作为初出茅庐的神经病专家,他曾经送回一个病人去往精神病医院,因为他能把一个交通事变的细节绘声绘色的描绘出来。现在这些血腥的描绘一个个闪现出来,翻开了一个个真正在的命案……Detective Katrine Ries Jensen and legal psychiatrist Thomas Schaeffer form a special unit at the Copenhagen Police investigating serial killings. A case from Schaeffer's past crops up. As a young psychologist, he held back from sending a patient, who was manically drawing the details of a traffic accident, to a secure hospital. Now these bloody scenes resurface.