Here's a littel bit off the back cover.

Mourning the breakup of her marriage, Isabel retreats to the serene English countryside to find some measure of peace and healing. There she stumbles upon an ancient pewter chalice - and is thrust centuries back in time into the body of another woman. Suddenly she is married to a total stranger - a fierce warrior who looks at his "wife" with undeniable yearning in his eyes...

Looking forward to reading this. I love time travel books.