A wounded Dr. Pritchard (Eric Porter) is in a hansom cab with Michael (Keith Bell) on their way to St. Paul's Cathedral. In every one of the shots of the scene, Pritchard is sitting on the right side of the cab and Michael on the left side, until the last one, when their positions have been somehow reversed.
Dr. Pritchard (Eric Porter) tells Dysart (Derek Godfrey) that he believes that Anna (Angharad Rees) may be suffering from schizophrenia and that he wants to use Dr. Sigmund Freud's then-new method of psychoanalysis to treat her condition. Later, he insists multiple times that he is sure that he can "cure" Anna. However, Freud believed that psychoses like schizophrenia could not be treated by analysis because the patients' minds were divorced from objective reality and they did not recognize or even acknowledge that they were mentally ill.
We're told at one point that the action is located fifteen years after the Ripper (whose crimes were committed in 1888) died yet in an earlier scene Queen Victoria - who died in 1901 - is referred to as still Queen.