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

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

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

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

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.

Claire and Ian arrive in Philadelphia to help the ailing Henry Grey. Roger and Buck receive an unexpected clue in their search for Jemmy.

Claire turns to John Grey for comfort as they process difficult news. Ian and Rachel discuss their love and their future. Brianna confronts an intruder at Lallybroch.

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, Claire, and Ian return to Lallybroch. Ian reconnects with his family in a time of need, while Claire deals with the fallout from a long-held secret. Roger and Buck search for Jemmy in the past.

Lord John Grey is put in a precarious position. William struggles to understand a surprising revelation.

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

The truth about Lord John Grey's mysterious disappearance is revealed. Brianna faces off with the foes threatening her family.

Brianna works to thwart a treacherous plan that endangers her family. A surprise encounter brings new understanding to Roger's journey in the past. Ian and Rachel take a big step in their relationship - as the Revolutionary war rears its head once again.