Clinical psychologist Tony Hill (Robson Green, Grantchester, Touching Evil) and DCI Carol Jordan (Hermione Norris, MI-5) are back on the trail of terrifying serial killers in this hit British mystery series. As the cases put pressure on their close but uneasy partnership, Tony and Carol face problems in their personal lives that impact their investigations.
Carol calls in Tony to help investigate the murder of a 10-year-old boy whose body was repositioned after death. As Carol recovers in the hospital after suffering an assault, Tony realizes the killer was targeting runaway children.
Carol and Tony examine the brutal slaying of a religious couple in their home that seems to be linked to a local slaughterhouse. As Carol suffers a personal crisis, Tony works with a convicted murderer who claims he's reformed.
Tony returns home from a disappointing book tour to assist Carol in her investigation of a divorced woman's violent death. When another victim turns up-this time an elderly man-Tony struggles to find a connection.
After being hit on the head by a suspect, Tony undergoes a neurological exam and receives a surprising result. Carol tracks a serial killer who shoots his victims from afar and leaves a playing card at the scene.
