"I can see the 'filth' that others cannot see..."

The story takes place in late nineteenth-century England.
Having lost her mother at a young age, Paula endured hardship in a workhouse, surviving thanks to her special eyes.
They have a mysterious power that allows her to see germs, diseases, and the malicious hearts of people as "filth."
Having lived a modest but peaceful life as a housemaid since the age of fourteen, she is one day ordered by her employer to work at another manor.
Her destination is the dilapidated "Dirt Hall" rife with terrifying rumors.
She is to serve a man rumored to be the Earl of Darkness, but who will she find there...?