A middle-aged couple out walking in the woods discover the body of a half-naked boy. To Kristine's horror her husband, Reinhardt, begins to take photographs of the body on his mobile phone but this proves only the beginning of his obsession with the case. Inspector Sejer is called to the scene but he can find no immediate cause of death, nor can he uncover the identity of the agitated man the couple saw moments before their discovery. Then a second boy goes missing and the once peaceful community is left deeply shaken.