Betrayal. It's an important theme in spy fiction. But Steve Chao, investigative journalist, has seen it up close - and the price of betrayal is all too real. Vanessa Kirby joins Steve as he meets a reluctant spy who could be the key to breaking a story of truly global significance. Would YOU break your silence? From SPYSCAPE, the home of secrets. A Cup And Nuzzle production. Series producer: Gemma Newby. Produced by Frank Palmer. Music by Nick Ryan.