Producer David Richardson said: "The Rani is back at last... and it's about time. Rochana has written a stunning script which reunites two of Gallifrey's most renowned runaways, and they are front and centre in almost every scene of a story that explores the history and dynamic of their relationship."

Writer Rochana Patel added: "It's been over ten years since the Rani's last Big Finish appearance, so a rematch is long overdue... Where's she been? What's she been doing? As the universe burns, where does the exiled Rani stand in the war between the Time Lords and the Daleks? All these questions will be answered... And, in these dark and terrible days, are the Rani and the War Doctor enemies...? Or something else...?

"“For this epic three-part story, I wanted to completely re-examine the Rani as a character, revisit that apathetic scientist that we first encountered in Mark of the Rani, her backstory with the Doctor, and explore what makes her into the woman who re-emerges in Wish World and The Reality War. This is very much the missing piece of the Rani's story... And, perhaps, the Doctor's too..."