Season Four continues the story of Claire and Jamie Fraser as they try to make a home for themselves in colonial America. The Frasers in North Carolina are at another turning point in history, the edge of the American Revolution. Along the way, the Frasers cross paths with notorious pirate Stephen Bonnet in a fateful meeting that will haunt the family. Meanwhile, Brianna and Roger grow closer in the twentieth century but make a shocking discovery that has them following in Claire₂s footsteps.
