MF Lia Williams returns to our screens two years to the he day since her last appearance, as troubled Emma Barnes (right) in the Lewis two-parter The Ramblin’ n’ Boy. She’s back in another UTV whodunnit, playing Maggie Markham (left), the organiser of a crime-writing festival, in Midsomer r Murders. Lia, 50, first shot to fame as Joanna, one of the virgins in Mr Wroe’s Virgins, thee controversial BBC2 drama series in 1993. More recently, she starred as the grumpy doc’s ex ex-flame flame Edith Montgomery in Doc Martin throughout the series shown on UTV in 2009. Midsomer Murders, Wednesday, 8pm, UTV.