Cracking a Killer's Code: Part 1

During World War II, Susan, Millie, Jean and Lucy work as code-breakers at Bletchley Park. In 1952, Susan hears of a serial killer, and contacts Deputy Chief Wainwright with her theory that there will be another victim. However the police find nothing.

The Bletchley Circle

Season 1
Season 1
Season 2
  • The Bletchley Circle S02 E01 - Blood on Their Hands: Part 1

    Former Bletchley girl Alice Merren is in prison awaiting trial for the murder of John Richards. Driven by her belief in Alice’s innocence and that she is hiding the truth about John’s death, Jean reunites the circle to help establish Alice's innocence.

  • The Bletchley Circle S02 E02 - Blood on Their Hands: Part 2

    Following the discovery of Lizzie Lancaster’s true identity the women are faced with a race against time to prove Alice’s innocence and to save their friend from the hangman’s noose. Further investigations leads them to uncover a dark military conspiracy.

  • The Bletchley Circle S02 E03 - Uncustomed Goods: Part 1

    Millie has been kidnapped and it appears that it could be connected to her involvement in the ‘import/export’ business. Alice contacts the other women to help find their friend, and they discover that Millie has become embroiled in a very dangerous world.

  • The Bletchley Circle S02 E04 - Uncustomed Goods: Part 2

    Millie leads the circle to the heart of Marta’s operation. Uncustomed goods lives are at stake. With time against them – they find themselves coming back to code breaking and back to Bletchley Park…

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