The China Governess (Albert Campion Series #17)

The golden sprig of a rich aristocratic family, Timothy Kinnit is about to marry the girl of his dreams. But when rumors start to circulate about his parentage, the young lady's father puts the kibosh on the wedding, and shortly thereafter, Timothy becomes the chief suspect in a housebreaking and a suspicious death. When Mr. Campion gets involved, he finds that somebody will go to very ugly lengths to keep Timothy from finding the answers he needs.