Bleeker Street Inquiry Agency

After a childhood as a street thief, Gabriella Goodhue thought she'd put her past behind her until a fellow resident at her boardinghouse is unjustly accused of theft. In the middle of breaking into a safe that holds the proof to prove her friend's innocence, Gabriella is interrupted by Nicholas Quinn, the man she once considered her best friend-until he abandoned her. After being taken under the wing of a professor who introduced him into society and named him as heir, Nicholas is living far removed from his childhood life of crime. As a favor to a friend, Nicholas agreed to help clear the name of an innocent woman, never imagining he'd be reunited with the girl he thought lost to him forever. As Gabriella and Nicholas are thrown together into one intrigue after another, their childhood affection grows into more, but their newfound feelings are tested when truths about their past are revealed and danger follows their every step.

Miss Daphne Beekman is a mystery writer by day, inquiry agent by night. Known for her ability to puzzle out plots, she happily works behind the scenes for the Bleecker Street Inquiry Agency, staying well away from danger. However, when Mr. Herman Henderson arrives on the doorstep of the agency, desperate for someone to investigate numerous attempts on his life, Daphne soon finds herself in the thick of a case she's determined to solve. Mr. Herman Henderson is also a mystery writer, but unlike the dashing heroes he pens, he prefers living a quiet life, determined to avoid the fate of his adventurous parents, who perished while searching for the Lost City of Gold. As the list of suspects grows and sinister plots are directed at Daphne, the situation quickly deteriorates, and a revealed secret jeopardizes their newfound affection. Only time will tell if Daphne will be able to regain Herman's trust and save both their lives.

When Arthur Livingston arrives out of the blue at the Bleecker Street Inquiry Agency, anxious to hire the agency to seek out a missing heiress, Eunice Holbrooke realizes her past has finally caught up with her. Having fled from the scene of her grandfather's murder seven years before, Eunice is a lady with secrets, the most important that she is the missing heiress Arthur is seeking. She has no, intention of allowing, him to learn she's been disguising herself, especially when, she has reason to believe Arthur could hold her responsible for her grandfather's death. In order to avoid Arthur and conceal her real identity, Eunice takes on another case that requires her to go deep undercover. With secrets from the past-and Arthur-appearing wherever she looks, she wonders how she will ever uncover the truth behind her grandfather's murder. Will what she discovers set Eunice free or place her in peril's way?