The Fremantle-owned company also produces the BBCs Martin Freeman seriesThe Responder.
Ratcliffes protests culminated in a 21-day hunger strike that ended in November 2021.
Five months later, Zaghari-Ratcliffe returned home, with her plight dominating the national news agenda.

Nazanin Zaghari-RatcliffeGetty
Freedom is sweet, its amazing, but its not easy, Zaghari-Ratcliffe told Radio 4sWomans Hour.
A Yard of Skywill be published by Penguin Random Houses Chatto & Windus imprint.
