The story of the biggest prison smuggling plot ever busted in the UK - and the love story at the heart of it.

Journalist Amber Haque untangles what happens when mental health nurse Amy Hatfield meets convicted criminal Joe Whittingham. Her investigation leads into a world of blackmail and manipulation, where you never quite know who to trust or who's watching.

CreditsHost: Amber HaqueProducer: Becca BryersSound design: Ivor Manley and Andy FellStory and music consultant: Emma WeatherillDevelopment by: Rob Byrne, Rhiannon Nevada and Emma ShawProduction management: Gaelan Davis-Connolly and Debbie WadellExecutive producer: Joe KentCommissioning producer: Sam ProffittCommissioning executive: Louise Kattenhorn and Lorraine OkuefunaCommissioning editor: Richard MaddockA BBC Studios production for BBC Sounds and BBC Radio 5 Live