London, 1888… Leather Apron (Jack the Ripper) is claiming victims in Whitechapel.  And Isabel Haynes achingly fears that her cousin, the enigmatic Thomas Haynes Cutbush, could be the serial killer.  She hires The Zane Brothers Detective Agency to determine if her fears are founded. The roguish Noah Zane is determined to find the truth while protecting the captivating Isabel to whom he is losing his heart.