Captive Loving (1983)

How could she have let him kiss her? Besides her husband, no one had ever kissed Jessica until Matthew Sinclair did. And after seven years of coldness in a desperately unhappy marriage, she was shocked to find herself stirring in response to this stranger's lips, gravitating to the warmth of his arms. But she was a wife and mother, and Matthew was her husband's boss. There could be no future for them. Then her husband was killed, and suddenly Jessica was torn between wanting to be loved and fearing another marriage as painful as her first.