Claire and Jamie continue the fight to protect those they love, as the threat of the Revolutionary War looms over Fraser's Ridge.

Fergus worries about his new son's quality of life when the baby is bullied by superstitious Protestants. Claire performs surgery on Tom's hand.

Ian reveals to Jamie his life among the Mohawks. Jamie tells Chief Bird something he should consider in the future.

There is something in the air. Jamie and lord John talk about politics. Roger receives an excellent news.

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 struggles with her inner demons as a nefarious rumor begins to spread on the Ridge. Tensions rise as residents fear there is a dangerous person in their midst.

Richard Brown and his Committee of Safety arrive to arrest Claire for murder. However, due to the rising political tensions in the colonies, Brown's plan to find a judge for a trial does not go as expected.