The crime-solving adventures of four remarkable women—former secret WWII code-breakers—chilled you to the bone in the original PBS hit series, The Bletchley Circle, set in 1950s London. Now travel to San Francisco with Bletchley Circle members Jean McBrian and Millie Harcourt in a nail-biting new series. Two more women have been murdered here in circumstances identical to the London crimes. Teaming up with American code-breakers, Jean and Millie race to solve killers’ schemes in suspenseful battles against malevolent property developers, a mysterious criminal underworld, police corruption, and Cold War treachery. Enjoy breath-taking plot twists and deductive leaps in eight thrilling episodes.