More Precious Than Gold — Patricia Phillips

From London's fashionable drawing rooms to the wild Scottish highlands...
Tempestuous Catrin Blair had pledged her hand to one man...but that was before she lost her heart to the daring Scottish rebel, David Stewart. Drawn by love, driven by desire, she followed David on his doomed quest to put Prince Charles of Wales on the throne of England.

But destiny -- and a ruthless rival -- threatened to rob Catrin of her love. Captured, tormented, ravaged, she is forced to make an impossible choice: betray her love or forfeit a treasure More Precious Than Gold.