Henrietta Fitzroy has always been compared to her beautiful sister and is known as the plain but smart one. However, when she meets Lord Gideon Booth, she falls in love. Could her heart hope for more? Lord Gideon Booth is a handsome, capable man, who along with his friend, Lord Jason Rule, owns the successful Diamond Investigations. When a young woman tricks her way in to an interview for a new position with the detective agency, Gideon is completely enthralled by her. Even though he could not offer her a position as a detective, he longs to see her again. Unperturbed with Lord Gideon Booth’s refusal to employ her, Henrietta Fitzroy opens her own detective agency and soon gets her first case. It just so happens that Lord Gideon Booth also has an interest in the case and their paths cross more than once. When Henrietta and Gideon are compelled to work together to clear a man’s name and find a killer, Gideon realises he has fallen in love. Now all he has to do is convince Henrietta of that fact.