A nervous twitch. A threatening letter. A murder. Henrietta, the Dowager Countess of Woodridge, is on a mission to find Tom Winchester a title. Meanwhile, Evie, the Countess of Woodridge, has been offered a partnership. However, she has reservations about her abilities to juggle the business of being a lady detective and all her other responsibilities. When she finds herself in the midst of an investigation to discover the author of some threatening letters, all her relatives become involved, in the process, mastering the art of observation. Little do they know they are about to uncover a mystery hidden within a mystery.