(W) Robbie Morrison (A) Mariano Laclaustra (CA) Simon Fraser. A French swordswoman* dark matter monsters* alternate universes* swashbuckling adventure and symbiotic intrigue all just another Wednesday for the Doctor! But when you throw in secret police* an alien takeover of the aristocracy* a villainous Count* the inquisition* and alchemical discoveries... well* then it gets interesting!