In a quiet townhouse in Victorian London, mysterious things keep happening: items go missing, a beloved pet is injured, and Bella Manningham hears footsteps coming from the locked, uninhabited top floor.  She fears she's going mad — that is certainly what Mr. Manningham believes.  But when a detective arrives one night to visit Mrs. Manningham, questions arise and secrets are revealed about her husband.  Suddenly, insanity isn't the biggest threat Bella faces as she discovers she has married a dangerous man.