<Tr> <Th> Picture format </Th> <Td> 16: 9 (1080i) </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Stereo </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 11 June 2017 (2017 - 06 - 11)--present </Td> </Tr> <P> The Loch (also known as Loch Ness) is a six - part British television drama series, created by screenwriter Stephen Brady, that first broadcast on ITV on 11 June 2017 . The series follows DS Annie Redford (Laura Fraser), a small town police officer with the Scottish Highland Police as she investigates the murder of piano teacher Niall Swift, who is found dead at the bottom of a cliff in the picturesque village of Lochnafoy, Loch Ness . When it becomes apparent that part of Swift's brain has been removed, and a human heart belonging to another victim is found close by, Annie's team realise they are searching for a serial killer . In response, Glasgow based major investigation detective DCI Lauren Quigley (Siobhan Finneran) is brought in to lead the enquiry . </P>

When did the tv series the loch start
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