The best episode written by Stewart Harcourt is "Murderous Marriage", rated 9/10 from 1 user votes. It was "directed by Geoffrey Sax". "Murderous Marriage" aired on 7/26/2016 and is rated 1.7 point(s) higher than their second highest rated, "Hell's Bells".
The Murderous Marriage: When Agatha's first husband is found dead in a ditch the day after stopping her wedding to James, she must race to prove her innocence.
Director: Geoffrey Sax
Writer: Stewart Harcourt
Bell-ringer Amanda Ballard is found hanged in the belfry with a suicide note left beside her, but Agatha is not convinced she took her own life and enlists a reluctant Roy to help her research the case.
Director: Geoffrey Sax
Writer: Stewart Harcourt
Roy lures Agatha back into the world of PR. She represents a local mineral water company -- but a murder there throws a spanner in the works.
Director: Paul Harrison
Writer: Stewart Harcourt