It’s London, 2012. Oliver is a dashing diplomat. Charlie is a young graduate trying to find her feet in the world. They meet online and she falls in love. With his encouragement, Charlie applies for a job in British intelligence. Then, she receives a text message that turns her life - and her relationship - upside down, and 10 years later, a mystery is still hanging over her. Walter's War is an investigation into what happened next – a journey through big tech and national security, hype and hucksterism, where anyone who can tell a good story can go far. But how much is true?

Episode 1 goes live on Tuesday 21st November. The first three episodes will be available to Tortoise members on the free Tortoise audio app, and subscribers to Tortoise+ on Apple Podcasts.

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