Claire joins the MacKenzie rent-collecting trip. To her horror, Dougal uses Jamie's scars to gain sympathy for the Jacobite cause. Claire recalls that a defining moment in Scottish history is fast approaching.

Claire and Geillis are on trial for witchcraft. Jamie manages to rescue Claire, but not before she discovers a secret about Geillis's past.

Jamie finds himself between a rock and a hard place when a redcoat deserter from his past resurfaces. Claire tends to a laboring Jenny while Jamie and Ian join The Watch, resulting in devastating consequences.

Claire and Jamie throw an elaborate dinner party intended to derail investors in Prince Charles’ war effort. Meanwhile, Claire’s revelation that Jack Randall is alive sparks Jamie in an unexpected way as he and Claire struggle to regain their physical intimacy.

Claire is brought to L’Hopital Des Anges where doctors try to save her life and that of her unborn baby. King Louis asks Claire to judge two men accused of practicing the dark arts – one an enemy, one a friend.

In the present, Claire reveals the truth to her daughter, Brianna. In the 18th century, Jamie does everything he can to save his loved ones as the Battle of Culloden begins.

Claire and Jamie cross paths with Stephen Bonnet, a pirate and smuggler who enlists their help. Claire illuminates Jamie on some of America's history, leading him to wonder if it's possible for them to lay down roots.

As Brianna struggles to compartmentalize the trauma she's suffered in the wake of the tragedy that befell her in Wilmington, she refocuses on finding her parents.

Jamie, Claire and Young Ian's attempt to rescue Roger from his Mohawk captors goes awry when a ghost from Claire's past lays waste to their plan. Meanwhile, Brianna worries Claire, Jamie and Roger might not return.

As Jamie continues to hunt Murtagh with the aid of the zealous Lieutenant Hamilton Knox, he's forced to consider whether or not he's on the right side of history.

The Regulator Rebellion reaches a boiling point, forcing Jamie to face his fear and confront the consequence of his divided loyalties.

Claire struggles to survive brutal treatment from her captors, as Jamie gathers a group of loyal men to help him rescue his wife. Meanwhile, Roger and Brianna's journey takes a surprising turn.

A dysentery epidemic spreads on the Ridge, and Claire falls deathly ill. She is almost recovered when the Christies arrive and drop a bombshell. As nefarious rumors spread like wildfire on the Ridge, tragedy strikes.

Claire makes a startling discovery about Roger and Brianna’s newborn daughter. A familiar face returns to the Ridge with explosive consequences.