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

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 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.

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