Freefall by Raeanne Thayne

Ten years ago, Sophie Beaumont had watched as her twin sister, Shelly, had chosen to marry a Canfield man, bear his children and be mistress of his manor.

But now Shelly was dead — killed along with her husband, Peter, in a mysterious accident — and it was Sophie who was left to raise her children, live at the Monterey mansion — and marry a Canfield man. Only this time it was Thomas, Peter’s older brother...

Because Peter was dead. Or was he? Mysterious appearances at night to the contrary, he was reported to be, though no body had ever been found. And Sophie and Thomas had unfinished business — a love affair, barely begun, cut off abruptly all those years ago. One that this time Thomas was determined to see bloom...