Claire and Jamie Fraser, played by Caitriona Balfe and Sam Heughan, embark on a mission to change history and prevent the Jacobite uprising that will lead to the catastrophic Battle of Culloden.
Arriving in France, the Frasers immerse themselves in the opulent world of French society, where they encounter a new cast of characters, including the cunning Comte St. Germain and the enigmatic Master Raymond.
Amidst the glittering balls and political intrigue of Paris, they must navigate treacherous alliances and dangerous secrets in their quest to alter the course of history.
As Claire and Jamie plot to undermine the Jacobite cause, they face personal trials that threaten to tear them apart.
Claire grapples with the knowledge of the future and the guilt of knowing the fate that awaits the Highland clans, while Jamie wrestles with his own demons from the past. Their relationship is tested as never before, as they confront betrayals, heartbreak, and the ever-present threat of violence.
Meanwhile, Claire's pregnancy adds a new layer of complexity to their mission, as they must protect their unborn child while continuing their dangerous game of political intrigue.
With the help of their loyal friends, including the dashing Highlander Murtagh and the resourceful Fergus, they embark on a daring plan to thwart the ambitions of the Jacobite supporters and alter the course of history.
As the season builds towards its explosive climax, tensions mount and loyalties are tested, culminating in a dramatic showdown that will change the fate of Scotland forever.