Following celebrations in honor of Brianna and Roger's wedding, Governor Tryon reminds Jamie of his obligation to hunt down and kill Murtagh Fitzgibbons.

The growing Regulator threat forces Jamie, Claire and Roger to embark on a mission to raise a militia.

Roger leads Jamie's militia to the trading post of Brownsville and finds himself embroiled in a bitter feud. Jamie and Claire arrive to find that Roger's unusual strategy may have cost them the loyalty of the militia.

Jamie and his militia arrive at Hillsborough to learn that Governor Tryon has proposed a rather unorthodox solution to deal with the threat posed by the Regulators and to resolve the growing political crisis.

At Jocasta's wedding, Jamie learns Tryon's true motivation for ending the Regulator threat.

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

The Frasers must come to terms with all that has changed in the aftermath of the Battle of Alamance Creek. Brianna tries to help Roger overcome the trauma he has endured. An unexpected visitor arrives at the Ridge.

When Jamie is bitten by a venomous snake, Claire fears she may not have the resources to save him. Jamie asks Roger to complete an important task in the event of his death.

Jamie and Roger implement their plan to eliminate the threat looming over them, but it goes awry. Brianna is forced to confront her greatest fear and fight for her and her son's lives.

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 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.