Title: That Devil Love
Description: "I mean to have and own you completely." 
Annis Warrener had only agreed to accompany her friend Stephen to an office party out of kindness and was expecting a rather dull evening. So she was taken aback to discover that Stephen's new boss was Zan Power, the man responsible for causing Annis and her family so much unhappiness. 
But Zan had no idea who Annis was and made no secret of his attraction to her. Worse, he was prepared to use every weapon -- even blackmail -- to get her into his life....  
  
Caution: may be "sweet" originally published 1994