John Nettles returns to investigate deadly deeds and gruesome goings-on in all 7 cases from Season 12 of the top-rating mystery, MIDSOMER MURDERS. Based on the award winning Inspector Barnaby novels created by mystery writer Caroline Graham, unflappable detectives DCI Tom Barnaby and DS Ben Jones are drawn into the worlds of golf, spying, cricket and cycling as mystery, murder and mayhem shatter the peaceful and picturesque surroundings of the Midsomer villages once again.