S01E01 Presidio
Millie Harcourt and Jean McBrian travel to San Francisco and join forces with two American codebreakers to pursue a serial killer from their war days.
The Bletchley Circle: San Francisco
S01E08: In for a Pound
A death in the Big Bop Club brings an international incident right to their doorstep, while the women grapple with Jean's sudden disappearance.
Overview
During the thrilling social change of the mid-1950s, four remarkable women who previously served secretly during WWII as code-breakers, turn their skills to solving murders overlooked by police. In the process they are plunged into fascinating corners of the city, forge powerful relationships, and rediscover their own powers and potential.
Episodes
S01E02 Wake
The search for the killer terrorising the Fillmore district continues. Millie, Jean, Iris and Hailey are under pressure to work out who the killer is so they can stop them before they strike again.
S01E03 Charlotte's Web
As Iris struggles with husband Marcus’ imminent deployment overseas, she and the other women delve into the mysterious death of a friend - and uncover a marriage built on lies and deception.
S01E04 Madhouse
After a seemingly innocent man is charged with murder, the women become involved in a tangled suburban tragedy, racing to find both the true killer and the methods before the scent goes cold. Meanwhile, Jean...
S01E05 Not Cricket
A bloodied and battered stranger collapses on Millie and Jean's doorstep, dragging them into a mysterious criminal underworld.
S01E06 Iron in War
Having uncovered a covert system of police corruption, the women must go it alone, crafting a complex sting operation in order to draw out two warring factions and see justice done.
S01E07 Fog of War
When a Russian diplomat dies in Iris's arms, the FBI sweep in to control the story and rule the death accidental and Iris is forced to get involved to protect her family.
S01E08 In for a Pound
A death in the Big Bop Club brings an international incident right to their doorstep, while the women grapple with Jean's sudden disappearance.
Cast
Julie Graham
Jean McBrian
Rachael Stirling
Millie Harcourt
Crystal Balint
Iris Bearden
Chanelle Peloso
Hailey Yarner
Ben Cotton
Detective Bill Bryce
Colin Lawrence
Marcus Bearden
Jennifer Spence
Olivia Mori
