Det Chris Loudon continues his investigation into serial killer Bruce Lindahl and uncovers suspicious behaviour by the police in the '70s. To prove Lindahl's guilt once and for all, Loudon visits Lindahl's grave and oversees an exhumation of his body.

Det Chris Loudon re-opens the cold case murder of a 16 yr old in 1976, DNA leads to a suspect who liked to photograph naked young women and was a rape suspect. When he finds a box of photos of naked girls, Loudon wonders if they were all his victims.

Det Chris Loudon continues his investigation into serial killer Bruce Lindahl. Using photos Lindahl had taken of naked young women he identifies more possible victims. And he uncovers the shocking fact the police suspected Lindahl but let him go free.