The Doctor and Ruby land in 1813, where guests at a duchess's party are being murdered, and a mysterious bounty hunter called Rogue is about to change the Doctor's life forever.
The Doctor takes Ruby to a ball in 19th century England and meets a mysterious bounty hunter from the future, Rogue. The three of them must thwart cosplaying aliens there to insert themselves into the festivities and eventually destroy the world.—Gislef