Father Brown suspects an ulterior motive is at play when his old adversary Flambeau is incarcerated for murder.

Claire races to discover the source of an epidemic aboard a disease-stricken ship before hundreds of sailors die. And as Jamie locks horns with Captain Raines, Fergus finds himself torn…

Claire follows her conscience as a surgeon, even though it could put her and Jamie’s lives at risk. At the same time, Jamie attempts to evade the reach of the…