Ep 1. Episode One

In The Bletchley Circle season 1 episode 1, titled "Episode One," we're introduced to four women who had worked during World War II as codebreakers at Bletchley Park, a British intelligence headquarters. The women, who have now moved on with their lives, are living in the post-war world trying to readjust and find purpose in their lives.

We meet Susan Gray, a housewife and mother of two who spends her days doing mundane things around the house while her husband works at a government job. One day while reading the newspaper, she discovers a pattern in a series of murders that have been happening in the city. The police have not been able to make any progress in solving the case, so Susan decides to take matters into her own hands and enlists the help of her former colleagues from Bletchley Park.

The first woman she seeks out is Millie Harcourt, who now works as a librarian. She has been struggling to make a living and is eager to use her skills to help Susan. Millie quickly jumps on board and starts analyzing the pattern Susan has discovered. The two women then decide to approach their other former colleagues, Lucy and Jean, to help with the investigation.

Lucy is now a stay-at-home wife to her demanding husband, and Jean works as a housekeeper. Both women are initially hesitant to join the investigation, but their skills in cryptography and code breaking soon persuade them to get involved. Together, the women set out to solve the mystery of the murders and bring the killer to justice.

As they delve deeper into the case, we discover the incredible intelligence and skill the women possess. They work tirelessly, analyzing evidence and interviewing witnesses, and eventually begin to unravel the pattern of killings. They must also navigate the biases of the male police force, who do not take their theories seriously.

Despite the challenges they face, the women persevere and eventually find a breakthrough in the case. They realize that the murders are linked to a prominent businessman in the city, and the killer is someone very close to him. But as they get closer to the truth, they realize that their own lives are in danger.

The episode ends on a suspenseful note as the women confront the killer, leading to a gripping climax that will leave viewers eager to know what happens next. Overall, "Episode One" sets the stage for an intriguing and thrilling series that showcases the incredible abilities of the women who worked behind the scenes during World War II.