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Line of Duty Season 4

When Hana Reznikova is kidnapped and taken to a house occupied by simple-minded young Michael Farmer inspector Roz Huntley arrests him, charging him also with the murders of two other women. Forensic investigator Tim Ifield however believes that Roz planted evidence to frame Farmer in order to close the murder investigations and approaches AC 12 with his claim. Ted Hastings believes there may be some substance in the allegation and that corrupt ACC Hilton is backing Roz, though of course he denies it. Kate is seconded to Roz's team to find out more whilst Tim confronts Roz , a confrontation that goes horribly wrong.