Leela's integration into Victorian society and her struggle with its rigid norms and expectations

The Doctor materializes the TARDIS beside the Thames in London’s East End, its foghorn drowning out a cryptic warning—a swamp creature’s distant cry that Leela correctly identifies as a ship’s …

A violent encounter erupts when a Tong of the Black Scorpion enforcer ambushes the Doctor in the street with an axe, intent on silencing him before he unravels Li H'sen …