The couple at the center of Starz's fantasy historical drama unpack how that ending — a surprise to book and non-book fans alike — sets up the eighth and final season, which has already finished filming.

For those who have yet to tune in, now is a good time to turn back, because we’re about to delve into one of the show’s biggest spoilers to date. The finale teased that Jamie ( Sam Heughan) and Claire’s ( Caitriona Balfe) first daughter, Faith, may have actually lived despite being stillborn in Season 2’s aptly titled installment, “Faith.”

The bestselling author reveals how she helped shape that unexpected ending. Plus, her favorite moments from the episode.