Dearest Traitor (1992)

Lord of the manor Steven Templeton had shattered Georgina's life once, and now that he'd returned to Kellerdale Hall, he clearly intended to scatter the pieces. He obviously didn't want her around as estate manager. But Georgina declared war--convincing herself Steven was as bad as his reputation. Hadn't he stolen his brother's wife and turned a defenseless female out into the night? And she would never let him close enough to rekindle the desire that still haunted them both. But never was a long time, especially now that Steven was home for good....