Two years after it was set up to fail, the Monochrome Inquiry into the Secret Service plods on. But something’s shifted and a new witness is about to emerge. Read by Nina Sosanya. Show more

In the new standalone thriller from spy supremo Mick Herron, an academic is about to have his peaceful Devon retirement violently shattered. Read by Nina Sosanya. Show more

As the Park battles enemies on all fronts, the irritating Monochrome Inquiry is about to be snuffed out - until the discovery of a mysterious envelope. Read by Nina Sosanya. Show more

Alarm bells ring after the attack on Max Janacek but as Monochrome calls its star witness, First Desk has bigger concerns than a long-retired spy. Read by Nina Sosanya. Show more

As the Monochrome inquiry into wrongdoing in the intelligence service calls its first proper witness, Max Janacek looks into how his cover was blown. Read by Nina Sosanya. Show more

Alison North recalls her time in Berlin in 1994; a rookie agent sent undercover to investigate station chief Brinsley Miles. Read by Nina Sosanya. Show more

Alison’s tale nears its shocking climax as she remembers Berlin in 1994 and an illicit plan to catch an ex-Stasi murderer. Read by Nina Sosanya. Show more

When Monochrome reconvenes under the radar, with Griselda determined to hear Alison North’s story, it becomes clear that the agent is ready to talk. Read by Nina Sosanya. Show more

With Monochrome shut down just as the inquiry was getting interesting, Shelley helps Max investigate who ordered his abduction. Read by Nina Sosanya. Show more

Griselda’s tenacity pays off as she learns about the explosion that changed the life of ‘Alison North’ forever. But who leaked the OTIS file to Monochrome? Read by Nina Sosanya. Show more