19-year-old call girl Blue is sent to meet a new punter, unaware of the horrifying impact it will have on her life. As Blue begins to fall for the quirky charms of her client, she’s even more intrigued by the grand Regency terraced house that he is renovating: a once infamous Victorian brothel. Together they uncover a hidden room that unlocks dark secrets. A terrible supernatural force is about to be unleashed and nobody will escape its power unless a score for a heinous felony is settled.