Seven Dials Mystery: Book vs. Series

Seven Dials Mystery is Christopher Sweeney's 2026 series, adapted from Agatha Christie's 1929 book The Seven Dials Mystery. It stars Mia McKenna-Bruce, Helena Bonham Carter, Martin Freeman and Edward Bluemel and ran for 1 season and 3 episodes on Netflix.

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About the book and the TV show
Book
The Seven Dials Mystery cover
Author
Agatha Christie
Year
1929
Pages
248Buy book
Audiobook length
7 hr 20 minGet audiobook
Narrator
Stephen Scalon

Guests at Chimneys arrange eight alarm clocks as a joke on a friend who sleeps late, only to find him dead the next morning and one clock missing. Lady Eileen Brent, known as Bundle, begins looking into the death and the significance of the remaining clocks. The trail draws her away from country-house society and toward a secretive group called the Seven Dials.

TV show
Seven Dials Mystery poster
Director
Christopher Sweeney
Writer
Chris Chibnall
Year
2026
Episode
54 min
Seasons
1
Episodes
3
Network
Netflix
Cast
Mia McKenna-Bruce, Helena Bonham Carter, Martin Freeman, Edward Bluemel
Genre
historical drama, mystery
IMDb
View on IMDb

A practical joke at a country house party ends with a young guest dead, and Lady Eileen Brent refuses to accept the easy explanation. Known as Bundle, she begins following the clues beyond her privileged social circle. Her investigation draws her into a conspiracy concealed beneath the parties and polite routines of 1920s England.

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