125 Gower Street, 1882.
Queen Victoria may sit on the throne and Robert Peel's bobbies walk the street, but London is still haunted by the spectre of Spring-heeled Jack.
The demons of vice and poverty rule the capital: ruffian gangs, pickpockets, prostitutes and vagrants clog the streets with their iniquity.
But in one particular Gower Street residence – home to the famous personal investigator Sidney Grice – order presides.
Until, that is, the arrival of his ward March Middleton and the vi...