England, 1925. At a lavish country house party, a practical joke appears to have gone horribly, murderously wrong. 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.

Agatha Christie’s Seven Dials (2026)

When the clocks strike, murder follows.

★ 6.3/10 January 15, 2026 1 season

CrimeDramaMystery

Creator: Chris Chibnall

England, 1925. At a lavish country house party, a practical joke appears to have gone horribly, murderously wrong. 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.

Where to watch

Netflix Netflix Standard with Ads

Trailer

Creators

Chris Chibnall

Cast

Mia McKenna-Bruce Lady Eileen 'Bundle' Brent Edward Bluemel Jimmy Thesiger Martin Freeman Superintendent Battle Helena Bonham Carter Lady Caterham Hughie O'Donnell Bill Eversleigh Alex Macqueen George Lomax Dorothy Atkinson Lady Maria Coote Mark Lewis Jones Sir Oswald Coote Tim Preston Rupert 'Pongo' Bateman Ella-Rae Smith Loraine Wade