Threat of plague from outlying villages and how to deal with it brings the Inquisitor Barakat (Hiran Abeysekera) into conflict with the ailing regent Effendi Red (Sagar Arya).Meanwhile, Manel (Aiysha Hart) - having failed in the task given to her by the rebels - must now prove her commitment to the cause by undertaking a more dangerous mission. One that brings her face to face with a deadly secret at the heart of this fanatical regime.Tumanbay is created by John Dryden and Mike Walker and inspired by the Mamluk slave rulers of Egypt.Original Music by Sacha Puttnam and Jon OuinSound Design by Steve BondSound Edited by James Morgan and Andreina GomezScript Edited by Abigail YoungmanProduced by Emma Hearn, Nadir Khan and John DrydenWritten by Mike WalkerDirected by John DrydenA Goldhawk production for BBC Radio 4.