Business becomes personal for the Right Sort Marriage Bureau when a new client, a brutal murder, two kidnappings, and the recently returned from Africa Lord Bainbridge threatens everything that one of the principals holds dear.

In London, 1946, Miss Iris Sparks - currently co-proprietor of the Right Sort Marriage Bureau - has to deal with aspects of her past exploits during the recent war that have come back around to haunt her.

More goes wrong than could be imagined when Iris Sparks and Gwendolyn Bainbridge of The Right Sort Marriage Bureau are unexpectedly engaged to dig into the past of a suitor of a royal princess