After many years abroad, Prudence Endicott is back in England to bury her mother. Hired as a nanny by a wealthy London family, the young woman immediately begins to spend her nights in the more popular neighbourhoods … For Miss Endicott is now the new Conciliator, she who helps the poor and the humble to solve their problems when society ignores them. A difficult task – especially as something sinister appears to be brewing underneath London …