It's 1812 and the Doctor, Steven and Dodo get ready to spend their winter in a Russian village. The French are on their way, but that's not the only invasion the travelers will have to deal with.
It's been a long time since Jamie McCrimmon remembered anything about his travels with the Doctor, but his visit to Helicon Prime just won't stay hidden - but why remember their murder investigation now?
The Brigadier saw many fall during his years with UNIT, but perhaps none more tragically than those at Kreigskind. Called to help when a friend falls ill, how can Lethbridge-Stewart fight an enemy that can breach every defense?
The pride of the Z'nai matches that of Leela of the Sevateem. Why would the Doctor imprison one in such an unlikely place, and what terrors will be brought about by letting it loose?