The Doctor and his companions land in revolutionary war France and meet some interesting figures...

A six part story where each episode is somewhat self-contained but has an over-arcing storyline.

A story of trust and betrayal, of acceptance and inclusion, of power and hubris.

About 12 million years ago there was a planet between Mars and Jupiter which was home to the Fendahl. The Fendahl existed by consuming the very life energy of other beings and could consume entire worlds. The Time Lords, fearing the Fendahl would spread, destroyed their world and erased all knowledge of them. But something escaped...

An old adversary, an unlikely hero and a plan to change history lead the Doctor and Peri on a perilous adventure.