Jamie's authority is tested when an old rival from Ardsmuir shows up to settle on the Ridge. Claire finds a new way to cope with the trauma of her assault by Lionel Brown.

Jamie struggles with his first request as Indian Agent. Roger presides over an unusual funeral. Marsali gives birth. However, the joy is short lived when a discovery is made.

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.

While visiting the Cherokee, Ian encounters a man from his past who dredges up painful memories of his time with the Mohawk. Jamie meets an Indian Agent who challenges his convictions, causing him to re-evaluate.

Claire and Jamie experience the rising tensions in the colonies first-hand when they attend a Loyalist event in Wilmington in honor of the Scottish heroine, Flora MacDonald.

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 demons as a nefarious rumor begins to spread on the Ridge. Tensions rise as the 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.

Jamie races towards Wilmington to rescue Claire from the gallows, only to discover that the American Revolution has well and truly reached North Carolina.

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

Jamie discovers Arch Bug has been keeping a dangerous secret. In the 20th century, Roger and Brianna find a link to Jamie and Claire.

On the way to Scotland, Jamie is pulled back into the Revolutionary War. William is sent on a covert mission. Roger and Brianna struggle to adapt to life in the 1980s.

At Ticonderoga, Jamie and Claire prepare for an imminent British assault. Roger compiles information about time travel while Brianna earns the respect of her coworkers.

Jamie and Claire help civilians flee Ticonderoga after the fort falls into British hands. Roger discovers the identity of the mysterious 'Nuckelavee'.

Jamie prepares to face British forces in battle. Roger and Brianna question Buck MacKenzie’s intentions in the 20th century. William fights in the First Battle of Saratoga.

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