Doctor Who The Defectors (2015) Nicholas Briggs Audio CD

Jo Grant is shocked to find most of her colleagues are missing. Then she discovers that the Doctor has inexplicably changed.But there's little time to worry about it all, as she and her misplaced Time Lord friend are whisked to the mysterious Delphin Isle on a matter of national security. There, they encounter a disturbingly odd form of local hospitality and learn of a highly classified incident that took place during the Cold War.