A Puritan woman's loyalties are tested when her husband is imprisoned by the Royalist lover she was forced to surrender through duty.

Drummond Castle, home of staunch Puritan Silas Drummond and his beautiful wife Elizabeth has been besieged by Royalist forces. In a bargain to spare her husband's life Lady Elizabeth has agreed to spend the night with the commander of the hated King's Men.

Second in command Charles Trethveyan has other ideas. He's planned this moment since Elizabeth chose to marry Silas eight years before.

When Elizabeth discovers that her former Cavalier lover has taken the place of his superior, she must decide whether Charles is motivated by love or revenge.

Either way, her response will have devastating consequences.