The Enemy at Home — Meriol Trevor

For Seraphine de Trévires, love would have to wait. It was marriage she longed for - marriage to Dominique d'Erlen, traitor and usurper of his brother's estates. But this was the time of the French revolution; armies were on the march and disaster threatened all of Europe. The loveless union was Seraphine's only hope of seeing Paris and the glittering world of her dreams.

And then she met the handsome English soldier who, left by the French to die in a forgotten dungeon, so completely won her heart that love left her no choice. No choice, but instead an agonizing decision...