Netflix has shared the official trailer for Agatha Christie’s Seven Dials, its newest murder mystery period drama led by Mia McKenna-Bruce (Get Even, Vampire Academy) and Helena Bonham Carter (Harry Potter franchise). It is based on the author’s 1929 novel of the same name. The three-part series will be available for streaming starting on January 15, 2026.
“England. 1925. At a lavish country house party, a practical joke appears to have gone horribly, murderously wrong,” reads the official synopsis. “It will be up to the unlikeliest of sleuths — the fizzingly inquisitive Lady Eileen ‘Bundle’ Brent, to unravel a chilling plot that will change her life, cracking wide open the country house mystery.”
Check out Agatha Christie’s Seven Dials trailer below (watch more trailers):
What happens in Agatha Christie’s Seven Dials trailer?
The video introduces McKenna-Bruce as a woman who’s determined to solve the mystery behind the death of her future fiancé. It features a glimpse of the interesting characters she’ll meet throughout her investigation. The trailer also teases some of the challenges that she’ll face to uncover the truth. The ensemble cast includes Martin Freeman (Black Panther) as Battle, Corey Mylchreest (Queen Charlotte) as Gerry Wade, Ed Bluemel (Sex Education, Killing Eve) as Jimmy Thesiger, and Nabhaan Rizwan (KAOS) as Ronnie Devereux.
Agatha Christie’s Seven Dials is executive-produced by Chris Chibnall (Doctor Who) for Imaginary Friends, Suzanne Mackie (The Crown) for Orchid Pictures, James Prichard for Agatha Christie Limited, Andy Stebbing, and Chris Sussman (Good Omens), with Joanna Crow producing. Chris Sweeney (The Tourist) is serving as the director, while Chibnall is also writing the scripts.
































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