
Improvised Agatha Christie-style murder mystery created live on stage from audience input by Degrees of Error.
Degrees of Error bring Murder She Didn't Write to the Northcott Theatre on Monday 1 February, with the curtain going up at 19:30. It's an improvised murder mystery, and the title is a nod to Agatha Christie, whose whodunits are the starting point for the whole thing.
That's where the improvised part comes in: there's no script and no safety net. Each night they stage an entirely original mystery, built live on the spot from audience input. The plot doesn't exist until the people in the room help shape it, so the show you see in Exeter will be different from any other night on the tour. If you've got a particular kind of crime or a specific set of suspects in mind, this is your chance to feed them into the story as it unfolds.
Degrees of Error are Edinburgh Fringe favourites, and Murder She Didn't Write has been a multiple sell-out show for them. The Exeter date is one stop on a UK tour that runs from 16 November 2026 to 12 February 2027, visiting the West End, Cardiff, Truro, Worthing and Coventry before it reaches the Northcott. It's a long run, and since every performance is built from scratch, no two nights are the same.
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So, if you fancy a whodunit where you get a say in how it goes, you'll find them at the Northcott Theatre on Monday 1 February, starting at 19:30.