After last week’s rather bouncy and luridly erotic first instalment of BBC Two’s four-part Victorian drama comes a more thoughtful and reflective episode, focusing on some of the other characters briefly met previously.

Blushing and pounding onto our screens with an incredibly strong off and on-screen pedigree is a new four-part BBC drama set in the darker side of Victorian London, revealing a world seething with vitality, sexuality, ambition and emotion.