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

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.

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.

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

Claire's unexpected meeting with a British general turns tense when Captain Jack Randall arrives. Claire finds herself alone with Randall - a dangerous man determined to uncover her secrets.

A revelation about Jemmy forces Roger and Brianna to choose between staying in the eighteenth century and returning to the safety of the future. Jamie finds that unrest in the backcountry has given rise to a new power.

Claire and Jamie are thrown together in marriage, but as their emotional and physical relationship unfolds, deeper feelings arise. Claire is ultimately torn between two men in two very different times.

Frank desperately searches for his missing wife, while Claire tries to come to terms with her new marriage. Claire is faced with an emotional quandry as a life-altering opportunity presents itself.

Jamie relies upon Claire's knowledge of history to lead the Jacobite army into a crucial battle. Claire is reminded of the true cost of war as she attends to the dead and dying.

Claire and the Highlanders head north after the Jacobite leaders decide to halt their march on London. Claire has an unexpected reunion after a band of redcoats makes trouble for the Scots.

Claire's medical expertise proves invaluable, but she begins to fear for her life when tragedy strikes her patients' household. Jamie and Young Ian travel to a nearby town to recruit settlers for Fraser's Ridge.

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.

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.

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

Denzell must perform a dangerous operation with the skills he's learned from Claire. William asks for help from an unexpected source in his mission to save Jane.

Jamie awaits his death sentence at Wentworth Prison, while Claire and the Highlanders search for a rescue plan. When Jamie is visited by Black Jack, he realizes there is a fate worse than death.

Jamie works to divert the Jacobite army away from imminent slaughter. Claire tries to provide comfort to a sick Alex Randall who shares an unusual plan to save the mother of his child.

Brianna confronts a violent figure from her past in an attempt to cope with her trauma. Roger befriends a fellow captive and endeavors to escape the Mohawk Village, while Fergus and Marsali plan a dangerous mission.

Jamie fights in the pivotal Second Battle of Saratoga. Roger and Brianna search for Jemmy.

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.

The American Revolution reaches the pivotal Battle of Monmouth. Lord John Grey and Ian race to save William. Brianna makes an important decision.

Claire decides to use her medical skills to aid her escape from Castle Leoch - with Jamie's help, she tends to an ill child. During an evening's entertainment, a story gives Claire hope for her freedom.

As the Castle prepares for The Gathering, Claire plots her escape. But after a dangerous encounter with a drunken Dougal and an unexpected run-in with Jamie, her plans are dashed.

Returning to her own time, Claire must reconcile her future with the life she left behind. Shifting back to 18th century, Jamie, Claire and Murtagh arrive in France, but learn that Paris presents its own challenges.