ITV has announced the release date for The Bletchley Circle: San Francisco, with the new series set to kick off on Wednesday July 25th at 9pm on ITV.

The Bletchley Circle: San Francisco is a spinoff show that will follow two members of The Bletchley Circle‘s eponymous group as they venture over to the USA to investigate the murder of a friend. The original show ran for two series, with the first airing in 2012 and the second in 2014.

Julie Graham and Rachael Stirling will reprise their code-cracking roles as Jean and Millie in this new 8-part series, backed up by an impressive supporting cast which includes Crystal Balint (Prison Break), Chanelle Peloso (Incredible Crew), Jennifer Spence (You Me Her) and Ben Cotton (The X-Files).

You can watch the trailer right here…

And here’s the official synopsis from ITV…

“Set during the thrilling social change of the mid-1950s, The Bletchley Circle: San Francisco captures the lives of four remarkable women gifted with extraordinary intelligence, breathtaking capacity for pattern recognition, and a genius for decryption.

“Years after secretly serving during WWII as code-breakers, they turn their skills to solving murders overlooked by the police. Starring Julie Graham and Rachael Stirling from the original The Bletchley Circle series.”

We’ll keep you posted as we hear more about The Bletchley Circle: San Francisco. That premiere date again is July 25th.