Season 6
9 episodes
91 min. per episode
Where to watch
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A brilliant psychologist confronts his own demons while unraveling the twisted minds of serial killers alongside relentless detectives.
Episodes
Tony Hill finds himself in unfamiliar surroundings when he travels to Texas to assist the local district attorney in the case of Darius Grady who is accused of murdering his wife and two children. Tony had already met Grady when the latter was stationed at a US military base near Bradfield and was charged with the rape of a local 15-year old. He was sent home by the military before he could be prosecuted in the UK but is using the same defense in the murder of his family as he did then: that he is suffering from post-traumatic stress disorder resulting from his service in Iraq. While he doesn't find that Grady is suffering from PTSD, Tony finds far too many holes in the case for him to believe Grady is guilty.
Several bodies are discovered buried in wasteland. They range from all walks of life and ages but each body is incomplete and their hands have been tied. This leads Tony to suspect that a sadomasochism ring may be involved and leads him to the dominatrix Elektra, who tells him about her clientèle. Sometimes the mildest people outwardly have the darkest secrets.
Another victim disappears and a severed finger is sent to constable Chris Collins in an envelope, suggesting that the killer is into playing cat and mouse games with him. Chris, a new young constable whose attitude Alex dislikes, then disappears and is abducted by the murderer who strips him and strings him up. Tony realizes that the killer is the sort of person that anybody would trust - such as a doctor - as he races to save Chris's life.
Tony attends a conference of psychologists, where he is a guest speaker and where he meets an old friend Rachel White, another delegate. He has drinks with her in her room but leaves before having sex. Next morning she is found dead and he was the last person to see her alive, marking him as a suspect. Then another psychologist is also murdered whilst Alex investigates a serial killer whose targets are prostitutes.
Tony is allowed to assist in the investigations. He sees the murders as ritualistic as 'Power Not Truth' was written in the dead doctors' blood. He also begins to see a connection with the murders of the prostitutes and, against Alex's advice, offers himself as bait to trap the killer.
Dr Tony Hill, a clinical psychologist, helps Detective Inspectors Jordan and Fielding get to the bottom of inexplicable criminal cases and uses his 'dark side' to fathom serial killers and their victims.