Midsomer Murders (1997– )
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A Sacred Trust 

Vandalism and violence send shock waves through Midsomer's cloistered nunnery.


Renny Rye


Rachel Cuperman (screenplay), Sally Griffiths (screenplay) | 1 more credit »

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Episode cast overview, first billed only:
Neil Dudgeon ... DCI John Barnaby
Jason Hughes ... DS Ben Jones
Fiona Dolman ... Sarah Barnaby
Tamzin Malleson ... Kate Wilding
Jamie Blackley ... Duncan Hendred
Martha Mackintosh Martha Mackintosh ... Tamsin Bickford
Joanna David ... Mother Julian
Fiona Glascott ... Sister Catherine
Susan Sheridan Susan Sheridan ... Mother Thomas
Rosalind Knight Rosalind Knight ... Mother Jerome
Hannah Arterton ... Katy
Philip Anthony Philip Anthony ... Peter De Winter
Michael Colgan Michael Colgan ... Father Behan
Cliff Parisi ... Barry
Tom Knight ... Colin Fleming


At Midsomer Priory, home to a small group of nuns, Mother Thomas Aquinas is strangled and, shortly afterwards, a set of silver worth £60,000 is found to be stolen from the safe. Sister Catherine, the most recent member of the order, turns out to be descended from Sir Anthony Vertue, who donated the priory to the nuns two centuries earlier and Barnaby learns that if the order is ended she will inherit the land and buildings. Father Behan, who heard the nuns' confessions and had long exhorted Mother Julian, the prioress, to sell the premises, is also killed and the missing silver turns up, not stolen but sold by Mother Thomas Aquinas. Then Barnaby learns of an atrocity in Africa thirty years earlier where Mother Julian was a missionary, which could help him solve the case but also put an end to the sacred trust. Written by don @ minifie-1

Plot Summary | Add Synopsis


Crime | Drama | Mystery


TV-14 | See all certifications »






Release Date:

26 October 2011 (UK) See more »

Company Credits

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Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

16:9 HD
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Did You Know?


Joanna David plays Mother Julian in this episode. She previously played the role of Amy Lyddiard in episode 1.2, Midsomer Murders: Written in Blood (1998). See more »


In the cafe where Jones is interviewing the schoolgirl, on the wall where different foods are written, prosciutto is written as proscuitto. See more »


[first lines]
Duncan Hendred: See anything?
Tamsin Bickford: Nothing.
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Main Theme
Composed by Jim Parker
Theremin played by Celia Sheen
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User Reviews

I love the new Barnaby. Just as good as the first one.
10 May 2019 | by grandmabratSee all my reviews

Every single Midsomer Murder is very agreeable to me. A lot of different villages and stories. Not all the same but most tell of the country and the people. Nothing is better than a mystery that has on average three murders per episode. And you get a lovely backstory while you are trying to figure it out. This one is just like that. A nunnery in modern days and what has happened around it. Like I said, any mystery with a Barnaby is my most favorite series.

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