Being indebted to the Black Widow of Whitehall could be a catastrophe in the making-or a path to salvation. Sarah Montague Ainsworth has tucked away the darkest of her secrets. A widow who never wants to marry again, Sarah is relieved her abusive husband died but is struggling to keep her household solvent. She bought her current home with a loan from Mrs. Dove-Lyon, owner of the infamous Lyon's Den, and makes her payments...