This is a story which starts off with an extremely dark and menacing tone, and which, when things are eventually explained, still feels suitably compelling and "real" (if you can say that about a Doctor Who story). The story features the Sixth Doctor (played by Colin Baker) and his companion Evelyn. The Doctor takes Evelyn to The Clutch, a fleet of migrating ships, a world on the move throughout space. But why are the Galyari travelling like this, and where did they come from? And how is it that they seem to know of a past that the Doctor has not ever spoken of to Evelyn?
This is a great story, well written, well paced, and extremely well played by all the actors in their various parts. Anneke Wills (who played Polly in the time of the First Doctor) is great as Director Nrosha, an embittered Galyari. The actors playing Shol and Brel are also excellent, and Ian Hogg (Josiah Smith in Ghost Light from 1989 with Sylvester McCoy) plays General Voshkar with a delightfully freaky manner. The story is layered, with each layer of revelation peeling off very carefully as the listener is taken through the tale.
I thoroughly enjoyed this, and will be listening to it again very shortly; it's one of those stories that rewards the listener with repetition; a complex story, brilliantly put together. Highly recommended.