The Pledge by Kim Sakwa

Sent forward in time, this fifteenth-century warrior finds himself face to face with his destiny—a fiery modern-day lass, whose reaction is far from what he expected.

Celeste Lowell is no stranger to loss. Two years after her best friend mysteriously disappeared and even longer since the tragic deaths of her parents and brother, Celeste still misses them all. Clinging to a cryptic message from a centuries-old crone—that her best friend is safe, and happy in the place where she belongs—Celeste continues to go through the motions, preparing for a working summer in the Hamptons, a respite from her lonely routine.
Scotland 1431—Darach MacKenna is a warrior without a home. Shocked by a deathbed revelation, Dar learns of his true parentage and now feels like he doesn’t belong—with his family, with his brethren, even in his own keep. Hungry for purpose, Dar sets off on a dangerous errand, to deliver a message in the unknown future, unsure if he’ll ever be able to return to his own time.
As Celeste and Dar embark on a journey from the future to the past, they believe they have a hold on their destiny. Yet, as is always the case, it’s Madame Fate who is truly in charge.

Don’t miss the latest Lairds of the Crest novel, as houses and hearts—and past and present—collide in another captivating time travel tale.