Mr. Gray is the new Resident in Charge of the Welcome Islands in the Indian Ocean. The Islands are full of life, but the only other Europeans are the "sanctimonious, psalm-singing" brother-sister missionary team of Martha and Owen Jordans, and the Honourable Ted - a hard-drinking, womanizing social outcast whose English family pays him to stay away. Martha and Ted become an unlikely team when cholera threatens the islands and they must do their best to stop its spread.

An army veteran with a shattered leg returns to his home in Port Afrique after war only to find his wife has been murdered. He's determined to find the killer, even if it means uncovering family secrets he never knew about.